A Desmos-inspired scientific calculator layout with expression history, keyboard-friendly input, and a lightweight 3D beta surface grapher in one responsive file.
Click any past entry to bring it back into the calculator.
Enter a surface in terms of x and y. Example: sin(x)*cos(y) or (x^2-y^2)/10.
Quick details change with the active tab.
Paste or type one of these to test fast.