Grapher – Processed and displayed instantly by a powerful math engine

[App] Grapher – Equation Plotter & Solver

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GrapherGrapher is a fast and effective equation plotter, capable of drawing any function, solving equations and calculating expressions.

Especially if you’re a student, teacher or engineer, this app is made with you in mind! A wide range of predefined functions is available, including trigonometric & hyperbolic functions, differentiation and more. Anything you type will be processed and displayed instantly by a powerful math engine, in both 2D and 3D modes. Furthermore, functions can reference each other by their name.

Grapher is continuously under development, with more features yet to come. Any feedback and bug-reports are greatly appreciated. This free version is ad-supported; please consider buying Grapher Pro to remove all ads and enjoy extra features!

Curve types

Function (e.g. parabola, sine)
Polar (e.g. rose, spiral)
Parametric (e.g. ellipse, Lissajous)
Implicit equation (e.g. conic sections)
Implicit inequality
3D Function (e.g. paraboloid)
3D Parametric curve (e.g. helix)
3D Parametric surface (e.g. sphere, hyperboloid)

More features
Equation solver (numerical)
Find roots, extrema and intersections with other functions
Functions can reference each other
Custom math keyboard
Auto-detect input type
User variable support for numbers and functions
Adjustable parameter range (for polar & parametric curves)
Input history
Plot up to 24 graphs at once
Differentiation (numerical)
Trace graph
Capture screenshots

Note: Mathematical functions should be typed by their names, for example sqrt(x) means √x. Hold a key to see all function names starting with that letter. If something is unclear, be sure to check out the ‘Help’ page as all details are summarized there.

Grapher user reviews :

Lightweight and I use it all the time! My only wish is to remove the character limit on function length (it makes a tweet look big).

This app is amazing great work keep it up I saw a guy in the comments saying this app is in my phone since it’s release now I understand why

Best app to draw graph

I am giving it 5 stars. App is really cool and helpful but it can be better if you introduce some easy input keyboard and superscript and subscript feature. Secondly, it becomes little confusing with use of brackets(it takes some time to identify composite functions). Overall, I love the app.

Easy to use, extensive marh functionality, and able to display very many simultaneous graphs. Works quickly and is small. …….Could better if there were a way to see old entries for basic calculator. Not actually a good replacement for a basic calc.
  • Basile Van HoorickJanuary 17, 2017
  • Hi, I will take your feedback into account!

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