Plottron 4+

3D graphing calculator

Billy Lin

Designed for iPad

    • 4.8 • 6 Ratings
    • Free

Screenshots

Description

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

Examples:
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)

Notes:
-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 1.7.8

Fixed implied multiplication precedence issue

Ratings and Reviews

4.8 out of 5
6 Ratings

6 Ratings

@eyqs ,

Best calculator app

This is the best calculator app out there. Really love the dark mode skin too.

stankey! ,

Great graphing calculator

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

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.

App Privacy

The developer, Billy Lin, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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