A graphing + scientific calculator.

-2D and 3D graphing
Graphs regular functions, parametric relations, and functions in polar/spherical coordinates.
-Implicit graphing
-Visualization of complex maps w=f(z) featuring domain coloring plots
-For 2D functions: Info mode with tangent line and 2nd-order Taylor approximation

Scientific calculator features:
-User-defined variables and functions
-Symbolic derivative (e.g.: D(x, sin(x))
-nCr, nPr, factorial
-Complex numbers
-Live evaluation (calculate as you type)
-Calculation history

Implicit graph: cos(X)=sin(Y)
Graph a parabola in Regular mode: X^2
Graph a circle in Parametric mode: cos(T);sin(T)
Set a variable: X=5
Use a variable: X+4: 9
Define a function: f(X)=X+1
Use a defined function: f(2): 3
Symbolic derivative: D(X,sin(X)): cos(X)

-Swipe left for settings.
-Use semicolon (;) to separate functions in parametric relations.
-Swipe down on keypad to show full history. Tap on answer to show keypad again.

What’s New

Version 1.7.1

Fixed issues with parametric/polar plotting

Ratings and Reviews

4.8 out of 5
5 Ratings

5 Ratings

Netherlynx ,

Simply amazing!

This is by far the best free graphing app on the App Store. There are no hidden fees and I haven't seen any ads yet. I would highly recommend this app to anyone.

stankey! ,

Great graphing calculator

Very helpful, only complaint so far is it doesn’t work in horizontal

ScottByrns ,

Most beautiful app in the store hands down.

Best graphing calculator for on the go calculations. Simple and effective.

App Privacy

The developer, Billy Lin, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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