Graphing calculator

Up to four functions of x at once, told apart by the kind of line rather than by colour. Drag to move, scroll to zoom, and hover anywhere to read the value off every curve at that x.

-8-6-4-202468-4-224
  • y1crosses x at 1, 2 · crosses y at 2

Drag to move, scroll to zoom, hover to read a value.

Functions of x
Up to 4. Each gets its own kind of line rather than its own colour.
  • reads as

Try one: