Functions
sin(x)·cos(y) — classic wave grid
sin(√(x²+y²)) — circular ripples
x²-y² — saddle point
√(x²+y²) — cone
sin(x+y)·cos(x-y) — interference
gaussian — bell curve surface
moebius — twisted surface
Controls
🖱️ Drag — rotate
🔍 Scroll — zoom in/out
Resolution slider — detail level
Color Coding
Blue — low z values
Green — mid z values
Red — high z values