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3D BioScience

    Chen-Clayton 3D   r.h.(Tk,M) = exp(-(C1/TC2) * exp(-C3*TC4*M))   [web citation]
    Chen-Clayton Scaled 3D   z = Scale * exp(-(C1/TC2) * exp(-C3*TC4*M))   [web citation]
    High-Low Affinity Double Isotope Displacement (y = [Hot]) 3D   z = aby / (1+b(x+y)) + cdy / (1+d(x+y))
    High-Low Affinity Isotope Displacement (y = [Hot]) 3D   z = aby / (1+b(x+y))
    Logistic Growth 3D   z = a / (1 + exp(-(b + cx + dy + fxy))) + g
    Michaelis-Menten Double Isotope Displacement (y = [Hot]) 3D   z = ay / (b + x + y) + cy / (d + x + y)
    Michaelis-Menten Isotope Displacement (y = [Hot]) 3D   z = ay / (b + x + y)
    Modified Chung-Pfost 3D   r.h.(T,M) = exp(-(C1/(T+C2)) * exp(-C3*M))   [web citation]
    Modified Halsey 3D   r.h.(T,M) = exp(-exp(C1 + C2*T) * M-C3)   [web citation]
    Modified Halsey Scaled 3D   z = Scale * exp(-exp(C1 + C2*T) * M-C3)   [web citation]
    Modified Henderson 3D   r.h.(T,M) = 1 - exp(-C1 * (T + C2) * MC3)   [web citation]
    Strohman-Yoerger 3D   r.h.(Ps,M) = exp(C1*exp(-C2*M)*ln(Ps) - C3*exp(-C4*M))   [web citation]
     

     
    Chen-Clayton Scaled With Offset 3D   z = Scale * exp(-(C1/TC2) * exp(-C3*TC4*M)) + Offset   [web citation]
    Chen-Clayton With Offset 3D   r.h.(Tk,M) = exp(-(C1/TC2) * exp(-C3*TC4*M)) + Offset   [web citation]
    High-Low Affinity Double Isotope Displacement (y = [Hot]) With Offset 3D   z = aby / (1+b(x+y)) + cdy / (1+d(x+y)) + Offset
    High-Low Affinity Isotope Displacement (y = [Hot]) With Offset 3D   z = aby / (1+b(x+y)) + Offset
    Michaelis-Menten Double Isotope Displacement (y = [Hot]) With Offset 3D   z = ay / (b + x + y) + cy / (d + x + y) + Offset
    Michaelis-Menten Isotope Displacement (y = [Hot]) With Offset 3D   z = ay / (b + x + y) + Offset
    Modified Chung-Pfost With Offset 3D   r.h.(T,M) = exp(-(C1/(T+C2)) * exp(-C3*M)) + Offset   [web citation]
    Modified Halsey Scaled With Offset 3D   z = Scale * exp(-exp(C1 + C2*T) * M-C3) + Offset   [web citation]
    Modified Halsey With Offset 3D   r.h.(T,M) = exp(-exp(C1 + C2*T) * M-C3) + Offset   [web citation]
    Modified Henderson With Offset 3D   r.h.(T,M) = 1 - exp(-C1 * (T + C2) * MC3) + Offset   [web citation]
    Strohman-Yoerger With Offset 3D   r.h.(Ps,M) = exp(C1*exp(-C2*M)*ln(Ps) - C3*exp(-C4*M)) + Offset   [web citation]
     




     


3D EnzymeKinetics

    Competitive Inhibition A 3D   z = ax / (b(1 + y/c) + x)
    Competitive Inhibition B 3D   z = ay / (b(1 + x/c) + y)
    Competitive Inhibition C 3D   z = axy / (b(1 + x/c) + y)
    Inhibition By Competing Substrate A 3D   z = (ax/b) / (1 + x/b + y/c)
    Inhibition By Competing Substrate B 3D   z = (ay/b) / (1 + y/b + x/c)
    Inhibition By Competing Substrate C 3D   z = (axy/b) / (1 + y/b + x/c)
    Michaelis Menten Product Inhibition 3D   z = (ax/b - cy/d) / (1 + x/b + y/d)
    Mixed Inhibition A 3D   z = ax / (b(1 + y/c) + x(1 + y/d))
    Mixed Inhibition B 3D   z = ay / (b(1 + x/c) + y(1 + x/d))
    Noncompetitive Inhibition A 3D   z = ax / ((b + x)(1 + y/c))
    Noncompetitive Inhibition B 3D   z = ay / ((b + y)(1 + x/c))
    Ping Pong Bi Bi A 3D   z = ax / (bx + cy + xy)
    Ping Pong Bi Bi B 3D   z = ay / (by + cx + xy)
    Ping Pong Bi Bi C 3D   z = axy / (by + cx + xy)
    Uncompetitive Inhibition A 3D   z = ax / (b + x(1 + y/c))
    Uncompetitive Inhibition B 3D   z = ay / (b + y(1 + x/c))
     

     
    Competitive Inhibition A With Offset 3D   z = ax / (b(1 + y/c) + x) + Offset
    Competitive Inhibition B With Offset 3D   z = ay / (b(1 + x/c) + y) + Offset
    Competitive Inhibition C With Offset 3D   z = axy / (b(1 + x/c) + y) + Offset
    Inhibition By Competing Substrate A With Offset 3D   z = (ax/b) / (1 + x/b + y/c) + Offset
    Inhibition By Competing Substrate B With Offset 3D   z = (ay/b) / (1 + y/b + x/c) + Offset
    Inhibition By Competing Substrate C With Offset 3D   z = (axy/b) / (1 + y/b + x/c) + Offset
    Michaelis Menten Product Inhibition With Offset 3D   z = (ax/b - cy/d) / (1 + x/b + y/d) + Offset
    Mixed Inhibition A With Offset 3D   z = ax / (b(1 + y/c) + x(1 + y/d)) + Offset
    Mixed Inhibition B With Offset 3D   z = ay / (b(1 + x/c) + y(1 + x/d)) + Offset
    Noncompetitive Inhibition A With Offset 3D   z = ax / ((b + x)(1 + y/c)) + Offset
    Noncompetitive Inhibition B With Offset 3D   z = ay / ((b + y)(1 + x/c)) + Offset
    Ping Pong Bi Bi A With Offset 3D   z = ax / (bx + cy + xy) + Offset
    Ping Pong Bi Bi B With Offset 3D   z = ay / (by + cx + xy) + Offset
    Ping Pong Bi Bi C With Offset 3D   z = axy / (by + cx + xy) + Offset
    Uncompetitive Inhibition A With Offset 3D   z = ax / (b + x(1 + y/c)) + Offset
    Uncompetitive Inhibition B With Offset 3D   z = ay / (b + y(1 + x/c)) + Offset
     




     


3D Exponential

    Full Cubic Exponential 3D   z = a + b*exp(x) + c*exp(y) + d*exp(x)2 + f*exp(y)2 + g*exp(x)3 + h*exp(y)3 + i*exp(x)*exp(y) + j*exp(x)2*exp(y) + k*exp(x)*exp(y)2
    Full Quadratic Exponential 3D   z = a + b*exp(x) + c*exp(y) + d*exp(x)2 + f*exp(y)2 + g*exp(x)*exp(y)
    Linear Exponential 3D   z = a + b*exp(x) + c*exp(y)
    Simplified Cubic Exponential 3D   z = a + b*exp(x) + c*exp(y) + d*exp(x)2 + e*exp(y)2 + f*exp(x)3 + g*exp(y)3
    Simplified Quadratic Exponential 3D   z = a + b*exp(x) + c*exp(y) + d*exp(x)2 + f*exp(y)2
    Transform Full Cubic Exponential 3D   z = a + b*exp(m*x+n) + c*exp(o*y+p) + d*exp(m*x+n)2 + f*exp(o*y+p)2 + g*exp(m*x+n)3 + h*exp(o*y+p)3 + i*exp(m*x+n)*exp(o*y+p) + j*exp(m*x+n)2*exp(o*y+p) + k*exp(m*x+n)*exp(o*y+p)2
    Transform Full Quadratic Exponential 3D   z = a + b*exp(h*x+i) + c*exp(j*y+k) + d*exp(h*x+i)2 + e*exp(j*y+k)2 + f*exp(h*x+i)*exp(j*y+k)
    Transform Linear Exponential 3D   z = a + b*exp(d*x+f) + c*exp(g*y+h)
    Transform Simplified Cubic Exponential 3D   z = a + b*exp(i*x+j) + c*exp(k*y+m) + d*exp(i*x+j)2 + f*exp(k*y+m)2 + g*exp(i*x+j)3 + h*exp(k*y+m)3
    Transform Simplified Quadratic Exponential 3D   z = a + b*exp(g*x+h) + c*exp(i*y+j) + d*exp(g*x+h)2 + f*exp(i*y+j)2
     




     


3D Logarithmic

    Full Cubic Logarithmic 3D   z = a + b*ln(x) + c*ln(y) + d*ln(x)2 + f*ln(y)2 + g*ln(x)3 + h*ln(y)3 + i*ln(x)*ln(y) + j*ln(x)2*ln(y) + k*ln(x)*ln(y)2
    Full Quadratic Logarithmic 3D   z = a + b*ln(x) + c*ln(y) + d*ln(x)2 + f*ln(y)2 + g*ln(x)*ln(y)
    Linear Logarithmic 3D   z = a + b*ln(x) + c*ln(y)
    Simplified Cubic Logarithmic 3D   z = a + b*ln(x) + c*ln(y) + d*ln(x)2 + f*ln(y)2 + g*ln(x)3 + h*ln(y)3
    Simplified Quadratic Logarithmic 3D   z = a + b*ln(x) + c*ln(y) + d*ln(x)2 + f*ln(y)2
    Transform Full Cubic Logarithmic 3D   z = a + b*ln(m*x+n) + c*ln(o*y+p) + d*ln(m*x+n)2 + f*ln(o*y+p)2 + g*ln(m*x+n)3 + h*ln(o*y+p)3 + i*ln(m*x+n)*ln(o*y+p) + j*ln(m*x+n)2*ln(o*y+p) + k*ln(m*x+n)*ln(o*y+p)2
    Transform Full Quadratic Logarithmic 3D   z = a + b*ln(h*x+i) + c*ln(j*y+k) + d*ln(h*x+i)2 + f*ln(j*y+k)2 + g*ln(h*x+i)*ln(j*y+k)
    Transform Linear Logarithmic 3D   z = a + b*ln(d*x+f) + c*ln(g*y+h)
    Transform Simplified Cubic Logarithmic 3D   z = a + b*ln(i*x+j) + c*ln(k*y+m) + d*ln(i*x+j)2 + f*ln(k*y+m)2 + g*ln(i*x+j)3 + h*ln(k*y+m)3
    Transform Simplified Quadratic Logarithmic 3D   z = a + b*ln(g*x+h) + c*ln(i*y+j) + d*ln(g*x+h)2 + f*ln(i*y+j)2
     




     


3D Miscellaneous

    Gary Cler's Custom Equation Transform 3D   z = a * (dx + f)b * (gy + h)c
    Gaussian Curvature Of Paraboloid 3D   z = 4a2 / (1 + 4a2 * (x2 + y2))2
    Gaussian Curvature Of Paraboloid Scaled 3D   z = Scale * 4a2 / (1 + 4a2 * (x2 + y2))2
    Gaussian Curvature Of Richmond's Minimal Surface 3D   z = -1.0 * a * (x2 + y2)3 / (b + (x2 + y2)2)4
    Gaussian Curvature Of Whitney's Umbrella A 3D   z = -1.0 * a * y2 / (x2 + a * (y2 + y4))2
    Gaussian Curvature Of Whitney's Umbrella B 3D   z = -1.0 * a * x2 / (y2 + a * (x2 + x4))2
    Liping Zheng's core loss coefficients 3D   z = ax2y + bx2y2 + cx1.5y1.5
    Mean Curvature Of Paraboloid 3D   z = 2 * (a + 2a3 * (x2 + y2)) / (1 + 4a2 * (x2 + y2))1.5
    Mean Curvature Of Paraboloid Scaled 3D   z = Scale * (a + 2a3 * (x2 + y2)) / (1 + 4a2 * (x2 + y2))1.5
    Mean Curvature Of Whitney's Umbrella A 3D   z = -1.0 * x * (a + b * y2) / (x2 + a * (y2 + y4))1.5
    Mean Curvature Of Whitney's Umbrella B 3D   z = -1.0 * y * (a + b * x2) / (y2 + a * (x2 + x4))1.5
    Menn's Surface A 3D   z = ax4 + bx2y - cy2
    Menn's Surface B 3D   z = ay4 + by2x - cx2
    Monkey Saddle A 3D   z = ax3 - bxy2
    Monkey Saddle B 3D   z = ay3 - byx2
    Monkey Saddle Transform A 3D   z = a(cx + d)3 - b(cx + d)(fy + g)2
    Monkey Saddle Transform B 3D   z = a(cy + d)3 - b(cy + d)(fx + g)2
    Paraboloid 3D   z = a * (x2 + y2)
    Paraboloid Transform 3D   z = a * ((bx + c)2 + (dy + f)2)
    Paschen's Law for Breakdown Field Strength 3D   Ebreakdown = pressure * (a / (ln(pressure * distance) + b))
    Paschen's Law for Breakdown Voltage 3D   Vbreakdown = a(pressure * distance) / (ln(pressure * distance) + b)
    Rex Kelfkens' Custom Equation 3D   z = exp(A+B*ln(x)+C*ln(y))
    Rex Kelfkens' Custom Equation Transform 3D   z = exp(A+B*ln(x * xscale + xoffset)+C*ln(y * yscale + yoffset))
     

     
    Gary Cler's Custom Equation Transform With Offset 3D   z = a * (dx + f)b * (gy + h)c + Offset
    Gaussian Curvature Of Paraboloid Scaled With Offset 3D   z = Scale * 4a2 / (1 + 4a2 * (x2 + y2))2 + Offset
    Gaussian Curvature Of Paraboloid With Offset 3D   z = 4a2 / (1 + 4a2 * (x2 + y2))2 + Offset
    Gaussian Curvature Of Richmond's Minimal Surface With Offset 3D   z = -1.0 * a * (x2 + y2)3 / (b + (x2 + y2)2)4 + Offset
    Gaussian Curvature Of Whitney's Umbrella A With Offset 3D   z = -1.0 * a * y2 / (x2 + a * (y2 + y4))2 + Offset
    Gaussian Curvature Of Whitney's Umbrella B With Offset 3D   z = -1.0 * a * x2 / (y2 + a * (x2 + x4))2 + Offset
    Liping Zheng's core loss coefficients With Offset 3D   z = ax2y + bx2y2 + cx1.5y1.5 + Offset
    Mean Curvature Of Paraboloid Scaled With Offset 3D   z = Scale * (a + 2a3 * (x2 + y2)) / (1 + 4a2 * (x2 + y2))1.5 + Offset
    Mean Curvature Of Paraboloid With Offset 3D   z = 2 * (a + 2a3 * (x2 + y2)) / (1 + 4a2 * (x2 + y2))1.5 + Offset
    Mean Curvature Of Whitney's Umbrella A With Offset 3D   z = -1.0 * x * (a + b * y2) / (x2 + a * (y2 + y4))1.5 + Offset
    Mean Curvature Of Whitney's Umbrella B With Offset 3D   z = -1.0 * y * (a + b * x2) / (y2 + a * (x2 + x4))1.5 + Offset
    Menn's Surface A With Offset 3D   z = ax4 + bx2y - cy2 + Offset
    Menn's Surface B With Offset 3D   z = ay4 + by2x - cx2 + Offset
    Monkey Saddle A With Offset 3D   z = ax3 - bxy2 + Offset
    Monkey Saddle B With Offset 3D   z = ay3 - byx2 + Offset
    Monkey Saddle Transform A With Offset 3D   z = a(cx + d)3 - b(cx + d)(fy + g)2 + Offset
    Monkey Saddle Transform B With Offset 3D   z = a(cy + d)3 - b(cy + d)(fx + g)2 + Offset
    Paraboloid Transform With Offset 3D   z = a * ((bx + c)2 + (dy + f)2) + Offset
    Paraboloid With Offset 3D   z = a * (x2 + y2) + Offset
    Paschen's Law for Breakdown Field Strength With Offset 3D   Ebreakdown = pressure * (a / (ln(pressure * distance) + b)) + Offset
    Paschen's Law for Breakdown Voltage With Offset 3D   Vbreakdown = a(pressure * distance) / (ln(pressure * distance) + b) + Offset
    Rex Kelfkens' Custom Equation Transform With Offset 3D   z = exp(A+B*ln(x * xscale + xoffset)+C*ln(y * yscale + yoffset)) + Offset
    Rex Kelfkens' Custom Equation With Offset 3D   z = exp(A+B*ln(x)+C*ln(y)) + Offset
     




     


3D NIST

    NIST Nelson 3D   log(y) = b1 - b2 * X1 * exp(-b3*X2)   [web citation]
    NIST Nelson Autolog 3D   z = exp(b1 - b2 * x * exp(-b3*y))   [web citation]
     

     
    NIST Nelson Autolog With Offset 3D   z = exp(b1 - b2 * x * exp(-b3*y)) + Offset   [web citation]
     




     


3D Optical

    Sag For Asphere 0 3D  
s2 = x2 + y2
z = (s2/r) / (1+(1-(k+1)(s/r)2)1/2)   [web citation]
    Sag For Asphere 0 Borisovsky 3D  
s2 = (x - a)2 + (y - b)2
z = (s2/r) / (1+(1-(k+1)(s/r)2)1/2) + offset
    Sag For Asphere 0 Scaled 3D  
s2 = x2 + y2
z = Scale * (s2/r) / (1+(1-(k+1)(s/r)2)1/2)   [web citation]
    Sag For Asphere 1 3D  
s2 = x2 + y2
z = (s2/r) / (1+(1-(k+1)(s/r)2)1/2) + A4*s4   [web citation]
    Sag For Asphere 2 3D  
s2 = x2 + y2
z = (s2/r) / (1+(1-(k+1)(s/r)2)1/2) + A4*s4 + A6*s6   [web citation]
    Sag For Asphere 3 3D  
s2 = x2 + y2
z = (s2/r) / (1+(1-(k+1)(s/r)2)1/2) + A4*s4 + A6*s6 + A8*s8   [web citation]
    Transform Sag For Asphere 0 3D  
s2 = (ax+b)2 + (cy+d)2
z = (s2/r) / (1+(1-(k+1)(s/r)2)1/2)   [web citation]
    Transform Sag For Asphere 1 3D  
s2 = (ax+b)2 + (cy+d)2
z = (s2/r) / (1+(1-(k+1)(s/r)2)1/2) + A4*s4   [web citation]
    Transform Sag For Asphere 2 3D  
s2 = (ax+b)2 + (cy+d)2
z = (s2/r) / (1+(1-(k+1)(s/r)2)1/2) + A4*s4 + A6*s6   [web citation]
    Transform Sag For Asphere 3 3D  
s2 = (ax+b)2 + (cy+d)2
z = (s2/r) / (1+(1-(k+1)(s/r)2)1/2) + A4*s4 + A6*s6 + A8*s8   [web citation]
     

     
    Sag For Asphere 0 Borisovsky With Offset 3D  
s2 = (x - a)2 + (y - b)2
z = (s2/r) / (1+(1-(k+1)(s/r)2)1/2) + offset + Offset
    Sag For Asphere 0 Scaled With Offset 3D  
s2 = x2 + y2
z = Scale * (s2/r) / (1+(1-(k+1)(s/r)2)1/2) + Offset   [web citation]
    Sag For Asphere 0 With Offset 3D  
s2 = x2 + y2
z = (s2/r) / (1+(1-(k+1)(s/r)2)1/2) + Offset   [web citation]
    Sag For Asphere 1 With Offset 3D  
s2 = x2 + y2
z = (s2/r) / (1+(1-(k+1)(s/r)2)1/2) + A4*s4 + Offset   [web citation]
    Sag For Asphere 2 With Offset 3D  
s2 = x2 + y2
z = (s2/r) / (1+(1-(k+1)(s/r)2)1/2) + A4*s4 + A6*s6 + Offset   [web citation]
    Sag For Asphere 3 With Offset 3D  
s2 = x2 + y2
z = (s2/r) / (1+(1-(k+1)(s/r)2)1/2) + A4*s4 + A6*s6 + A8*s8 + Offset   [web citation]
    Transform Sag For Asphere 0 With Offset 3D  
s2 = (ax+b)2 + (cy+d)2
z = (s2/r) / (1+(1-(k+1)(s/r)2)1/2) + Offset   [web citation]
    Transform Sag For Asphere 1 With Offset 3D  
s2 = (ax+b)2 + (cy+d)2
z = (s2/r) / (1+(1-(k+1)(s/r)2)1/2) + A4*s4 + Offset   [web citation]
    Transform Sag For Asphere 2 With Offset 3D  
s2 = (ax+b)2 + (cy+d)2
z = (s2/r) / (1+(1-(k+1)(s/r)2)1/2) + A4*s4 + A6*s6 + Offset   [web citation]
    Transform Sag For Asphere 3 With Offset 3D  
s2 = (ax+b)2 + (cy+d)2
z = (s2/r) / (1+(1-(k+1)(s/r)2)1/2) + A4*s4 + A6*s6 + A8*s8 + Offset   [web citation]
     




     


3D Peak

    Extreme Value A 3D   z = a * exp(-exp(-(x-b)/c)-(x-b)/c+1) + d * exp(-exp(-(y-f)/g)-(y-f)/g+1)
    Extreme Value B 3D   z = a * exp(-exp(-(x-b)/c)-(x-b)/c+1) * exp(-exp(-(y-d)/f)-(y-d)/f+1)
    Gaussian A 3D   z = a * exp(-0.5 * (((x-b)/c)2 + ((y-d)/f)2))
    Gaussian B 3D   z = a * exp(-0.5 * (((x-b)/c)2)) + d * exp(-0.5 * (((y-f)/g)2))
    Log-Normal A 3D   z = a * exp(-0.5 * (((ln(x)-b)/c)2 + ((ln(y)-d)/f)2))
    Log-Normal B 3D   z = a * exp(-0.5 * (((ln(x)-b)/c)2)) + d * exp(-0.5 * (((ln(y)-f)/g)2))
    Logistic A 3D   z = 4a * exp(-((x-b)/c))/((1+exp(-((x-b)/c)))2) + 4d * exp(-((y-f)/g))/((1+exp(-((y-f)/g)))2)
    Logistic B 3D   z = 16a * exp(-((x-b)/c)-((y-d)/f)) / ((1+exp(-((x-b)/c)))2 * (1+exp(-((y-d)/f)))2)
    Lorentzian A 3D   z = a / ((1+((x-b)/c)2)*(1+((y-d)/f)2))
    Lorentzian B 3D   z = a / (1+((x-b)/c)2) + d * (1+((y-f)/g)2)
     

     
    Extreme Value A With Offset 3D   z = a * exp(-exp(-(x-b)/c)-(x-b)/c+1) + d * exp(-exp(-(y-f)/g)-(y-f)/g+1) + Offset
    Extreme Value B With Offset 3D   z = a * exp(-exp(-(x-b)/c)-(x-b)/c+1) * exp(-exp(-(y-d)/f)-(y-d)/f+1) + Offset
    Gaussian A With Offset 3D   z = a * exp(-0.5 * (((x-b)/c)2 + ((y-d)/f)2)) + Offset
    Gaussian B With Offset 3D   z = a * exp(-0.5 * (((x-b)/c)2)) + d * exp(-0.5 * (((y-f)/g)2)) + Offset
    Log-Normal A With Offset 3D   z = a * exp(-0.5 * (((ln(x)-b)/c)2 + ((ln(y)-d)/f)2)) + Offset
    Log-Normal B With Offset 3D   z = a * exp(-0.5 * (((ln(x)-b)/c)2)) + d * exp(-0.5 * (((ln(y)-f)/g)2)) + Offset
    Logistic A With Offset 3D   z = 4a * exp(-((x-b)/c))/((1+exp(-((x-b)/c)))2) + 4d * exp(-((y-f)/g))/((1+exp(-((y-f)/g)))2) + Offset
    Logistic B With Offset 3D   z = 16a * exp(-((x-b)/c)-((y-d)/f)) / ((1+exp(-((x-b)/c)))2 * (1+exp(-((y-d)/f)))2) + Offset
    Lorentzian A With Offset 3D   z = a / ((1+((x-b)/c)2)*(1+((y-d)/f)2)) + Offset
    Lorentzian B With Offset 3D   z = a / (1+((x-b)/c)2) + d * (1+((y-f)/g)2) + Offset
     




     


3D Polyfunctional

    User-Selectable Polyfunctional 3D   z = user-selectable function
     




     


3D Polynomial

    Full Cubic 3D   z = a + bx + cy + dx2 + fy2 + gx3 + hy3 + ixy + jx2y + kxy2
    Full Quadratic 3D   z = a + bx + cy + dx2 + fy2 + gxy
    Linear 3D   z = a + bx + cy
    Simplified Cubic 3D   z = a + bx + cy + dx2 + fy2 + gx3 + hy3
    Simplified Quadratic 3D   z = a + bx + cy + dx2 + fy2
    User-Selectable Polynomial 3D   z = user-selectable polynomial
     




     


3D Power

    Power A 3D   z = a * (xb + yc)
    Power B 3D   z = a + xb + yc
    Power C 3D   z = a + xb * yc
    Power D 3D   z = axb + cyd
    Power E 3D   z = a * xb * yc
    Transform Power A 3D   z = a * ((dx + f)b + (gy + h)c)
    Transform Power B 3D   z = a + (dx + f)b + (gy + h)c
    Transform Power C 3D   z = a + (dx + f)b * (gy + h)c
    Transform Power D 3D   z = a(fx + g)b + c(hy + i)d
    Transform Power E 3D   z = a * (dx + f)b * (gy + h)c
     

     
    Power A With Offset 3D   z = a * (xb + yc) + Offset
    Power D With Offset 3D   z = axb + cyd + Offset
    Power E With Offset 3D   z = a * xb * yc + Offset
    Transform Power A With Offset 3D   z = a * ((dx + f)b + (gy + h)c) + Offset
    Transform Power D With Offset 3D   z = a(fx + g)b + c(hy + i)d + Offset
    Transform Power E With Offset 3D   z = a * (dx + f)b * (gy + h)c + Offset
     




     


3D Rational

    Rational A 3D   z = (a + bx + cy)/(1 + dx + fy)
    Rational B 3D   z = (a + b*ln(x) + c*ln(y))/(1 + dx + fy)
    Rational C 3D   z = (a + b*exp(x) + c*ln(y))/(1 + dx + fy)
    Rational D 3D   z = (a + b*ln(x) + c*exp(y))/(1 + dx + fy)
    Rational E 3D   z = (a + b*exp(x) + c*exp(y))/(1 + dx + fy)
    Rational F 3D   z = (a + bx + cy)/(1 + d*ln(x) + f*ln(y))
    Rational G 3D   z = (a + bx + cy)/(1 + d*exp(x) + f*ln(y))
    Rational H 3D   z = (a + bx + cy)/(1 + d*ln(x) + f*exp(y))
    Rational I 3D   z = (a + bx + cy)/(1 + d*exp(x) + f*exp(y))
    Rational J 3D   z = (a + b*ln(x) + c*ln(y))/(1 + d*ln(x) + f*ln(y))
    Rational K 3D   z = (a + b*exp(x) + c*ln(y))/(1 + d*exp(x) + f*ln(y))
    Rational L 3D   z = (a + b*ln(x) + c*exp(y))/(1 + d*ln(x) + f*exp(y))
    Rational M 3D   z = (a + b*exp(x) + c*exp(y))/(1 + d*exp(x) + f*exp(y))
    Rational N 3D   z = (a + bx + cy + dxy)/(1 + fx + gy + hxy)
    Rational O 3D   z = (a + b*ln(x) + c*ln(y) + d*ln(x)ln(y))/(1 + fx + gy + hxy)
    Rational P 3D   z = (a + b*exp(x) + c*ln(y) + d*exp(x)ln(y))/(1 + fx + gy + hxy)
    Rational Q 3D   z = (a + b*ln(x) + c*exp(y) + d*ln(x)exp(y))/(1 + fx + gy + hxy)
    Rational R 3D   z = (a + b*exp(x) + c*exp(y) + d*exp(x)exp(y))/(1 + fx + gy + hxy)
    Rational S 3D   z = (a + bx + cy + dxy)/(1 + f*ln(x) + g*ln(y) + h*ln(x)*ln(y))
    Rational T 3D   z = (a + bx + cy + dxy)/(1 + f*exp(x) + g*ln(y) + h*exp(x)*ln(y))
    Rational U 3D   z = (a + bx + cy + dxy)/(1 + f*ln(x) + g*exp(y) + h*ln(x)*exp(y))
    Rational V 3D   z = (a + bx + cy + dxy)/(1 + f*exp(x) + g*exp(y) + h*exp(x)*exp(y))
    Rational W 3D   z = (a + b*ln(x) + c*ln(y) + d*ln(x)*ln(y))/(1 + f*ln(x) + g*ln(y) + h*ln(x)*ln(y))
    Rational X 3D   z = (a + b*exp(x) + c*ln(y) + d*exp(x)*ln(y))/(1 + f*exp(x) + g*ln(y) + h*exp(x)*ln(y))
    Rational Y 3D   z = (a + b*ln(x) + c*exp(y) + d*ln(x)*exp(y))/(1 + f*ln(x) + g*exp(y) + h*ln(x)*exp(y))
    Rational Z 3D   z = (a + b*exp(x) + c*exp(y) + d*exp(x)*exp(y))/(1 + f*exp(x) + g*exp(y) + h*exp(x)*exp(y))
     

     
    Rational A With Offset 3D   z = (a + bx + cy)/(1 + dx + fy) + Offset
    Rational B With Offset 3D   z = (a + b*ln(x) + c*ln(y))/(1 + dx + fy) + Offset
    Rational C With Offset 3D   z = (a + b*exp(x) + c*ln(y))/(1 + dx + fy) + Offset
    Rational D With Offset 3D   z = (a + b*ln(x) + c*exp(y))/(1 + dx + fy) + Offset
    Rational E With Offset 3D   z = (a + b*exp(x) + c*exp(y))/(1 + dx + fy) + Offset
    Rational F With Offset 3D   z = (a + bx + cy)/(1 + d*ln(x) + f*ln(y)) + Offset
    Rational G With Offset 3D   z = (a + bx + cy)/(1 + d*exp(x) + f*ln(y)) + Offset
    Rational H With Offset 3D   z = (a + bx + cy)/(1 + d*ln(x) + f*exp(y)) + Offset
    Rational I With Offset 3D   z = (a + bx + cy)/(1 + d*exp(x) + f*exp(y)) + Offset
    Rational J With Offset 3D   z = (a + b*ln(x) + c*ln(y))/(1 + d*ln(x) + f*ln(y)) + Offset
    Rational K With Offset 3D   z = (a + b*exp(x) + c*ln(y))/(1 + d*exp(x) + f*ln(y)) + Offset
    Rational L With Offset 3D   z = (a + b*ln(x) + c*exp(y))/(1 + d*ln(x) + f*exp(y)) + Offset
    Rational M With Offset 3D   z = (a + b*exp(x) + c*exp(y))/(1 + d*exp(x) + f*exp(y)) + Offset
    Rational N With Offset 3D   z = (a + bx + cy + dxy)/(1 + fx + gy + hxy) + Offset
    Rational O With Offset 3D   z = (a + b*ln(x) + c*ln(y) + d*ln(x)ln(y))/(1 + fx + gy + hxy) + Offset
    Rational P With Offset 3D   z = (a + b*exp(x) + c*ln(y) + d*exp(x)ln(y))/(1 + fx + gy + hxy) + Offset
    Rational Q With Offset 3D   z = (a + b*ln(x) + c*exp(y) + d*ln(x)exp(y))/(1 + fx + gy + hxy) + Offset
    Rational R With Offset 3D   z = (a + b*exp(x) + c*exp(y) + d*exp(x)exp(y))/(1 + fx + gy + hxy) + Offset
    Rational S With Offset 3D   z = (a + bx + cy + dxy)/(1 + f*ln(x) + g*ln(y) + h*ln(x)*ln(y)) + Offset
    Rational T With Offset 3D   z = (a + bx + cy + dxy)/(1 + f*exp(x) + g*ln(y) + h*exp(x)*ln(y)) + Offset
    Rational U With Offset 3D   z = (a + bx + cy + dxy)/(1 + f*ln(x) + g*exp(y) + h*ln(x)*exp(y)) + Offset
    Rational V With Offset 3D   z = (a + bx + cy + dxy)/(1 + f*exp(x) + g*exp(y) + h*exp(x)*exp(y)) + Offset
    Rational W With Offset 3D   z = (a + b*ln(x) + c*ln(y) + d*ln(x)*ln(y))/(1 + f*ln(x) + g*ln(y) + h*ln(x)*ln(y)) + Offset
    Rational X With Offset 3D   z = (a + b*exp(x) + c*ln(y) + d*exp(x)*ln(y))/(1 + f*exp(x) + g*ln(y) + h*exp(x)*ln(y)) + Offset
    Rational Y With Offset 3D   z = (a + b*ln(x) + c*exp(y) + d*ln(x)*exp(y))/(1 + f*ln(x) + g*exp(y) + h*ln(x)*exp(y)) + Offset
    Rational Z With Offset 3D   z = (a + b*exp(x) + c*exp(y) + d*exp(x)*exp(y))/(1 + f*exp(x) + g*exp(y) + h*exp(x)*exp(y)) + Offset
     




     


3D RomanSurfaces

    Roman Surface (minus) 3D   z = (k(y2-x2) - (x2-y2)sqrt(k2-x2-y2)) / (2(x2+y2))
    Roman Surface (minus) Offset XY 3D   z = (k((y+b)2-(x+a)2) - ((x+a)2-(y+b)2)sqrt(k2-(x+a)2-(y+b)2)) / (2((x+a)2+(y+b)2))
    Roman Surface (minus) Scaled And Offset XY 3D   z = (k((cy+d)2-(ax+b)2) - ((ax+b)2-(cy+d)2)sqrt(k2-(ax+b)2-(cy+d)2)) / (2((ax+b)2+(cy+d)2))
    Roman Surface (plus) 3D   z = (k(y2-x2) + (x2-y2)sqrt(k2-x2-y2)) / (2(x2+y2))
    Roman Surface (plus) Offset XY 3D   z = (k((y+b)2-(x+a)2) + ((x+a)2-(y+b)2)sqrt(k2-(x+a)2-(y+b)2)) / (2((x+a)2+(y+b)2))
    Roman Surface (plus) Scaled 3D   z = Scale * (k(y2-x2) + (x2-y2)sqrt(k2-x2-y2)) / (2(x2+y2))
    Roman Surface (plus) Scaled And Offset XY 3D   z = (k((cy+d)2-(ax+b)2) + ((ax+b)2-(cy+d)2)sqrt(k2-(ax+b)2-(cy+d)2)) / (2((ax+b)2+(cy+d)2))
     

     
    Roman Surface (minus) Offset XY With Offset 3D   z = (k((y+b)2-(x+a)2) - ((x+a)2-(y+b)2)sqrt(k2-(x+a)2-(y+b)2)) / (2((x+a)2+(y+b)2)) + Offset
    Roman Surface (minus) Scaled And Offset XY With Offset 3D   z = (k((cy+d)2-(ax+b)2) - ((ax+b)2-(cy+d)2)sqrt(k2-(ax+b)2-(cy+d)2)) / (2((ax+b)2+(cy+d)2)) + Offset
    Roman Surface (minus) With Offset 3D   z = (k(y2-x2) - (x2-y2)sqrt(k2-x2-y2)) / (2(x2+y2)) + Offset
    Roman Surface (plus) Offset XY With Offset 3D   z = (k((y+b)2-(x+a)2) + ((x+a)2-(y+b)2)sqrt(k2-(x+a)2-(y+b)2)) / (2((x+a)2+(y+b)2)) + Offset
    Roman Surface (plus) Scaled And Offset XY With Offset 3D   z = (k((cy+d)2-(ax+b)2) + ((ax+b)2-(cy+d)2)sqrt(k2-(ax+b)2-(cy+d)2)) / (2((ax+b)2+(cy+d)2)) + Offset
    Roman Surface (plus) Scaled With Offset 3D   z = Scale * (k(y2-x2) + (x2-y2)sqrt(k2-x2-y2)) / (2(x2+y2)) + Offset
    Roman Surface (plus) With Offset 3D   z = (k(y2-x2) + (x2-y2)sqrt(k2-x2-y2)) / (2(x2+y2)) + Offset
     




     


3D Sigmoidal

    Andrea Prunotto Sigmoid A 3D   z = a0 + (a1 / (1.0 + exp(a2 * (x + a3 + a4 * y + a5 * x * y))))
    Andrea Prunotto Sigmoid B 3D   z = a0 + (a1 / (1.0 + exp(a2 * (x * a3 + a4 * y + a5 * x * y))))
    Fraser Smith Sigmoid 3D   z = 1.0 / ((1.0 + exp(a - bx)) * (1.0 + exp(c - dy)))
    Fraser Smith Sigmoid Scaled 3D   z = Scale / ((1.0 + exp(a - bx)) * (1.0 + exp(c - dy)))
    Sigmoid 3D   z = a / ((1.0 + exp(b - cx)) * (1.0 + exp(d - fy)))
     

     
    Fraser Smith Sigmoid Scaled With Offset 3D   z = Scale / ((1.0 + exp(a - bx)) * (1.0 + exp(c - dy))) + Offset
    Fraser Smith Sigmoid With Offset 3D   z = 1.0 / ((1.0 + exp(a - bx)) * (1.0 + exp(c - dy))) + Offset
    Sigmoid With Offset 3D   z = a / ((1.0 + exp(b - cx)) * (1.0 + exp(d - fy))) + Offset
     




     


3D Simple

    Simple Equation 01 3D   z = a*pow(x,b)*pow(y,c)
    Simple Equation 02 3D   z = x/(a+b*y)
    Simple Equation 03 3D   z = y/(a+b*x)
    Simple Equation 04 3D   z = a*pow(x,b*y)
    Simple Equation 05 3D   z = a*pow(y,b*x)
    Simple Equation 06 3D   z = a*pow(x,b/y)
    Simple Equation 07 3D   z = a*pow(y,b/x)
    Simple Equation 08 3D   z = a*x+b*pow(y,2.0)
    Simple Equation 09 3D   z = a*y+b*pow(x,2.0)
    Simple Equation 10 3D   z = x/(a+b*pow(y,2.0))
    Simple Equation 11 3D   z = y/(a+b*pow(x,2.0))
    Simple Equation 12 3D   z = a*pow(b,x)*pow(y,c)
    Simple Equation 13 3D   z = a*pow(b,y)*pow(x,c)
    Simple Equation 14 3D   z = a*pow(x*y,b)
    Simple Equation 15 3D   z = a*pow(x/y,b)
    Simple Equation 16 3D   z = a*(pow(b,1.0/x))*pow(y,c)
    Simple Equation 17 3D   z = a*pow(b,1.0/y)*pow(x,c)
    Simple Equation 18 3D   z = a*pow(x/b,c)*exp(y/b)
    Simple Equation 19 3D   z = a*pow(y/b,c)*exp(x/b)
    Simple Equation 20 3D   z = a*pow(x,b+c*y)
    Simple Equation 21 3D   z = a*pow(y,b+c*x)
    Simple Equation 22 3D   z = a*pow(x,b+c/y)
    Simple Equation 23 3D   z = a*pow(y,b+c/x)
    Simple Equation 24 3D   z = a*pow(x,b+c*ln(y))
    Simple Equation 25 3D   z = a*pow(y,b+c*ln(x))
    Simple Equation 26 3D   z = a*pow(y,b+c/ln(x))
    Simple Equation 27 3D   z = a*pow(x,b+c/ln(y))
    Simple Equation 28 3D   z = a*exp(b*x+c*pow(y,2.0))
    Simple Equation 29 3D   z = a*exp(b*y+c*pow(x,2.0))
    Simple Equation 30 3D   z = a*exp(b/x+c*y)
    Simple Equation 31 3D   z = a*exp(b/y+c*x)
    Simple Equation 32 3D   z = (a+x)/(b+c*y)
    Simple Equation 33 3D   z = (a+y)/(b+c*x)
    Simple Equation 34 3D   z = (a+x)/(b+c*pow(y,2.0))
    Simple Equation 35 3D   z = (a+y)/(b+c*pow(x,2.0))
    Simple Equation 36 3D   z = a*(exp(b*x)-exp(c*y))
    Simple Equation 37 3D   z = a*pow(x,b*pow(y,c))
    Simple Equation 38 3D   z = a*pow(y,b*pow(x,c))
    Simple Equation 39 3D   z = x/(a+b*y+c*pow(y,0.5))
    Simple Equation 40 3D   z = y/(a+b*x+c*pow(x,0.5))
    Simple Equation 41 3D   z = exp(a+b/x+c*ln(y))
    Simple Equation 42 3D   z = exp(a+b/y+c*ln(x))
    Simple Equation 43 3D   z = a*pow(x,b)*ln(y+c)
    Simple Equation 44 3D   z = a*pow(y,b)*ln(x+c)
     

     
    Simple Equation 01 With Offset 3D   z = a*pow(x,b)*pow(y,c) + Offset
    Simple Equation 02 With Offset 3D   z = x/(a+b*y) + Offset
    Simple Equation 03 With Offset 3D   z = y/(a+b*x) + Offset
    Simple Equation 04 With Offset 3D   z = a*pow(x,b*y) + Offset
    Simple Equation 05 With Offset 3D   z = a*pow(y,b*x) + Offset
    Simple Equation 06 With Offset 3D   z = a*pow(x,b/y) + Offset
    Simple Equation 07 With Offset 3D   z = a*pow(y,b/x) + Offset
    Simple Equation 08 With Offset 3D   z = a*x+b*pow(y,2.0) + Offset
    Simple Equation 09 With Offset 3D   z = a*y+b*pow(x,2.0) + Offset
    Simple Equation 10 With Offset 3D   z = x/(a+b*pow(y,2.0)) + Offset
    Simple Equation 11 With Offset 3D   z = y/(a+b*pow(x,2.0)) + Offset
    Simple Equation 12 With Offset 3D   z = a*pow(b,x)*pow(y,c) + Offset
    Simple Equation 13 With Offset 3D   z = a*pow(b,y)*pow(x,c) + Offset
    Simple Equation 14 With Offset 3D   z = a*pow(x*y,b) + Offset
    Simple Equation 15 With Offset 3D   z = a*pow(x/y,b) + Offset
    Simple Equation 16 With Offset 3D   z = a*(pow(b,1.0/x))*pow(y,c) + Offset
    Simple Equation 17 With Offset 3D   z = a*pow(b,1.0/y)*pow(x,c) + Offset
    Simple Equation 18 With Offset 3D   z = a*pow(x/b,c)*exp(y/b) + Offset
    Simple Equation 19 With Offset 3D   z = a*pow(y/b,c)*exp(x/b) + Offset
    Simple Equation 20 With Offset 3D   z = a*pow(x,b+c*y) + Offset
    Simple Equation 21 With Offset 3D   z = a*pow(y,b+c*x) + Offset
    Simple Equation 22 With Offset 3D   z = a*pow(x,b+c/y) + Offset
    Simple Equation 23 With Offset 3D   z = a*pow(y,b+c/x) + Offset
    Simple Equation 24 With Offset 3D   z = a*pow(x,b+c*ln(y)) + Offset
    Simple Equation 25 With Offset 3D   z = a*pow(y,b+c*ln(x)) + Offset
    Simple Equation 26 With Offset 3D   z = a*pow(y,b+c/ln(x)) + Offset
    Simple Equation 27 With Offset 3D   z = a*pow(x,b+c/ln(y)) + Offset
    Simple Equation 28 With Offset 3D   z = a*exp(b*x+c*pow(y,2.0)) + Offset
    Simple Equation 29 With Offset 3D   z = a*exp(b*y+c*pow(x,2.0)) + Offset
    Simple Equation 30 With Offset 3D   z = a*exp(b/x+c*y) + Offset
    Simple Equation 31 With Offset 3D   z = a*exp(b/y+c*x) + Offset
    Simple Equation 32 With Offset 3D   z = (a+x)/(b+c*y) + Offset
    Simple Equation 33 With Offset 3D   z = (a+y)/(b+c*x) + Offset
    Simple Equation 34 With Offset 3D   z = (a+x)/(b+c*pow(y,2.0)) + Offset
    Simple Equation 35 With Offset 3D   z = (a+y)/(b+c*pow(x,2.0)) + Offset
    Simple Equation 36 With Offset 3D   z = a*(exp(b*x)-exp(c*y)) + Offset
    Simple Equation 37 With Offset 3D   z = a*pow(x,b*pow(y,c)) + Offset
    Simple Equation 38 With Offset 3D   z = a*pow(y,b*pow(x,c)) + Offset
    Simple Equation 39 With Offset 3D   z = x/(a+b*y+c*pow(y,0.5)) + Offset
    Simple Equation 40 With Offset 3D   z = y/(a+b*x+c*pow(x,0.5)) + Offset
    Simple Equation 41 With Offset 3D   z = exp(a+b/x+c*ln(y)) + Offset
    Simple Equation 42 With Offset 3D   z = exp(a+b/y+c*ln(x)) + Offset
    Simple Equation 43 With Offset 3D   z = a*pow(x,b)*ln(y+c) + Offset
    Simple Equation 44 With Offset 3D   z = a*pow(y,b)*ln(x+c) + Offset
     




     


3D TaylorSeries

    Taylor Series A 3D   z = a + bx + cy + dx2 + fy2 + gxy
    Taylor Series B 3D   z = a + b*ln(x) + cy + d*ln(x)2 + fy2 + g*ln(x)*y
    Taylor Series C 3D   z = a + bx + c*ln(y) + dx2 + f*ln(y)2 + g*x*ln(y)
    Taylor Series D 3D   z = a + b*ln(x) + c*ln(y) + d*ln(x)2 + f*ln(y)2 + g*ln(x)*ln(y)
    Taylor Series E 3D   z = a + b/x + cy + d/x2 + fy2 + gy/x
    Taylor Series F 3D   z = a + b/ln(x) + cy + d/ln(x)2 + fy2 + gy/ln(x)
    Taylor Series G 3D   z = a + b/x + c*ln(y) + d/x2 + f*ln(y)2 + g*ln(y)/x
    Taylor Series H 3D   z = a + b/ln(x) + c*ln(y) + d/ln(x)2 + f*ln(y)2 + g*ln(y)/ln(x)
    Taylor Series I 3D   z = a + bx + c/y + dx2 + f/y2 + gx/y
    Taylor Series J 3D   z = a + b*ln(x) + c/y + d*ln(x)2 + f/y2 + g*ln(x)/y
    Taylor Series K 3D   z = a + bx + c/ln(y) + dx2 + f/ln(y)2 + gx/ln(y)
    Taylor Series L 3D   z = a + b*ln(x) + c/ln(y) + d*ln(x)2 + f/ln(y)2 + g*ln(x)/ln(y)
    Taylor Series M 3D   z = a + b/x + c/y + d/x2 + f/y2 + g/(xy)
    Taylor Series N 3D   z = a + b/ln(x) + c/y + d/ln(x)2 + f/y2 + g/(ln(x)*y)
    Taylor Series O 3D   z = a + b/x + c/ln(y) + d/x2 + f/ln(y)2 + g/(x*ln(y))
    Taylor Series P 3D   z = a + b/ln(x) + c/ln(y) + d/ln(x)2 + f/ln(y)2 + g/(ln(x)*ln(y))
     




     


3D Trigonometric

    Cosh X Plus Cosh Y [radians] 3D   z = amplitude_x * cosh(pi * (x - center_x) / width_x) + amplitude_y * cosh(pi * (y - center_y) / width_y)
    Cosh X Plus Sine Y [radians] 3D   z = amplitude_x * cosh(pi * (x - center_x) / width_x) + amplitude_y * sin(pi * (y - center_y) / width_y)
    Cosh X Plus Tangent Y [radians] 3D   z = amplitude_x * cosh(pi * (x - center_x) / width_x) + amplitude_y * tan(pi * (y - center_y) / width_y)
    Cosh X Times Cosh Y[radians] 3D   z = amplitude * cosh(pi * (x - center_x) / width_x) * cosh(pi * (y - center_y) / width_y)
    Cosh X Times Sine Y [radians] 3D   z = amplitude * cosh(pi * (x - center_x) / width_x) * sin(pi * (y - center_y) / width_y)
    Cosh X Times Tangent Y [radians] 3D   z = amplitude * cosh(pi * (x - center_x) / width_x) * tan(pi * (y - center_y) / width_y)
    Cosh XY [radians] 3D   z = amplitude * cosh(pi * (xy - center) / width)
    Reza's Custom Equation One [radians] 3D   z = (cos(a*x - b*y) + sin(c*x - d*y))n - (cos(f*x - g*y) + sin(h*x- i*y))n
    Reza's Custom Equation Two [radians] 3D   z = abs(cos((A*(x+B)) + C*(y+D))) + abs(cos((A*(x+B)) - C*(y+D))) - (sin(E*x+F))2 - (sin(E*y+G))2
    Sine X Plus Cosh Y [radians] 3D   z = amplitude_x * sin(pi * (x - center_x) / width_x) + amplitude_y * cosh(pi * (y - center_y) / width_y)
    Sine X Plus Sine Y [radians] 3D   z = amplitude_x * sin(pi * (x - center_x) / width_x) + amplitude_y * sin(pi * (y - center_y) / width_y)
    Sine X Plus Tangent Y [radians] 3D   z = amplitude_x * sin(pi * (x - center_x) / width_x) + amplitude_y * tan(pi * (y - center_y) / width_y)
    Sine X Times Cosh Y [radians] 3D   z = amplitude * sine(pi * (x - center_x) / width_x) * cosh(pi * (y - center_y) / width_y)
    Sine X Times Sine Y [radians] 3D   z = amplitude * sin(pi * (x - center_x) / width_x) * sin(pi * (y - center_y) / width_y)
    Sine X Times Tangent Y [radians] 3D   z = amplitude * sin(pi * (x - center_x) / width_x) * tan(pi * (y - center_y) / width_y)
    Sine XY [radians] 3D   z = amplitude * sin(pi * (xy - center) / width)
    Tangent X Plus Cosh Y [radians] 3D   z = amplitude_x * tan(pi * (x - center_x) / width_x) + amplitude_y * cosh(pi * (y - center_y) / width_y)
    Tangent X Plus Sine Y [radians] 3D   z = amplitude_x * tan(pi * (x - center_x) / width_x) + amplitude_y * sin(pi * (y - center_y) / width_y)
    Tangent X Plus Tangent Y [radians] 3D   z = amplitude_x * tan(pi * (x - center_x) / width_x) + amplitude_y * tan(pi * (y - center_y) / width_y)
    Tangent X Times Cosh Y [radians] 3D   z = amplitude * tan(pi * (x - center_x) / width_x) * cosh(pi * (y - center_y) / width_y)
    Tangent X Times Sine Y [radians] 3D   z = amplitude * tan(pi * (x - center_x) / width_x) * sin(pi * (y - center_y) / width_y)
    Tangent X Times Tangent Y [radians] 3D   z = amplitude * tan(pi * (x - center_x) / width_x) * tan(pi * (y - center_y) / width_y)
    Tangent XY [radians] 3D   z = amplitude * tan(pi * (xy - center) / width)
     

     
    Cosh X Plus Cosh Y [radians] With Offset 3D   z = amplitude_x * cosh(pi * (x - center_x) / width_x) + amplitude_y * cosh(pi * (y - center_y) / width_y) + Offset
    Cosh X Plus Sine Y [radians] With Offset 3D   z = amplitude_x * cosh(pi * (x - center_x) / width_x) + amplitude_y * sin(pi * (y - center_y) / width_y) + Offset
    Cosh X Plus Tangent Y [radians] With Offset 3D   z = amplitude_x * cosh(pi * (x - center_x) / width_x) + amplitude_y * tan(pi * (y - center_y) / width_y) + Offset
    Cosh X Times Cosh Y[radians] With Offset 3D   z = amplitude * cosh(pi * (x - center_x) / width_x) * cosh(pi * (y - center_y) / width_y) + Offset
    Cosh X Times Sine Y [radians] With Offset 3D   z = amplitude * cosh(pi * (x - center_x) / width_x) * sin(pi * (y - center_y) / width_y) + Offset
    Cosh X Times Tangent Y [radians] With Offset 3D   z = amplitude * cosh(pi * (x - center_x) / width_x) * tan(pi * (y - center_y) / width_y) + Offset
    Cosh XY [radians] With Offset 3D   z = amplitude * cosh(pi * (xy - center) / width) + Offset
    Reza's Custom Equation One [radians] With Offset 3D   z = (cos(a*x - b*y) + sin(c*x - d*y))n - (cos(f*x - g*y) + sin(h*x- i*y))n + Offset
    Reza's Custom Equation Two [radians] With Offset 3D   z = abs(cos((A*(x+B)) + C*(y+D))) + abs(cos((A*(x+B)) - C*(y+D))) - (sin(E*x+F))2 - (sin(E*y+G))2 + Offset
    Sine X Plus Cosh Y [radians] With Offset 3D   z = amplitude_x * sin(pi * (x - center_x) / width_x) + amplitude_y * cosh(pi * (y - center_y) / width_y) + Offset
    Sine X Plus Sine Y [radians] With Offset 3D   z = amplitude_x * sin(pi * (x - center_x) / width_x) + amplitude_y * sin(pi * (y - center_y) / width_y) + Offset
    Sine X Plus Tangent Y [radians] With Offset 3D   z = amplitude_x * sin(pi * (x - center_x) / width_x) + amplitude_y * tan(pi * (y - center_y) / width_y) + Offset
    Sine X Times Cosh Y [radians] With Offset 3D   z = amplitude * sine(pi * (x - center_x) / width_x) * cosh(pi * (y - center_y) / width_y) + Offset
    Sine X Times Sine Y [radians] With Offset 3D   z = amplitude * sin(pi * (x - center_x) / width_x) * sin(pi * (y - center_y) / width_y) + Offset
    Sine X Times Tangent Y [radians] With Offset 3D   z = amplitude * sin(pi * (x - center_x) / width_x) * tan(pi * (y - center_y) / width_y) + Offset
    Sine XY [radians] With Offset 3D   z = amplitude * sin(pi * (xy - center) / width) + Offset
    Tangent X Plus Cosh Y [radians] With Offset 3D   z = amplitude_x * tan(pi * (x - center_x) / width_x) + amplitude_y * cosh(pi * (y - center_y) / width_y) + Offset
    Tangent X Plus Sine Y [radians] With Offset 3D   z = amplitude_x * tan(pi * (x - center_x) / width_x) + amplitude_y * sin(pi * (y - center_y) / width_y) + Offset
    Tangent X Plus Tangent Y [radians] With Offset 3D   z = amplitude_x * tan(pi * (x - center_x) / width_x) + amplitude_y * tan(pi * (y - center_y) / width_y) + Offset
    Tangent X Times Cosh Y [radians] With Offset 3D   z = amplitude * tan(pi * (x - center_x) / width_x) * cosh(pi * (y - center_y) / width_y) + Offset
    Tangent X Times Sine Y [radians] With Offset 3D   z = amplitude * tan(pi * (x - center_x) / width_x) * sin(pi * (y - center_y) / width_y) + Offset
    Tangent X Times Tangent Y [radians] With Offset 3D   z = amplitude * tan(pi * (x - center_x) / width_x) * tan(pi * (y - center_y) / width_y) + Offset
    Tangent XY [radians] With Offset 3D   z = amplitude * tan(pi * (xy - center) / width) + Offset