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Grapher Pro - Equation Plotter & Solver APK

Latest Version 1.4.2c for Windows
Updated 2020-10-10

App information

Version 1.4.2c (#1)

Updated 2020-10-10

APK Size 1 MB

Requires Android Android 2.3+ (Gingerbread)

Offered by Basile Van Hoorick

Category Free Tools App

App id be.grapher.pro

Developer's notes An extensive yet lightweight math graphing calculator.

Screenshot

Click on the image to see full size

Latest updates

What's new in Grapher Pro - Equation Plotter & Solver 1.4.2c

• Added absolute value '|' key
• Custom keyboard bugfix
• Licensing verification crash fix

Editor's review

Download the latest Grapher Pro - Equation Plotter & Solver application, version 1.4.2c, compatible with Windows 10/11 (using emulators such as Bluestacks), Android devices. This free Tools app is developed by Basile Van Hoorick and is easy to download and install.

Previous versions, including 1.4.2c, are also available. If you need help or have any problems, please let us know.

Description

Grapher Pro is a fast and effective equation plotter, capable of drawing any function (including complex-valued ones), 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, polar coordinates, 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 and variable sliders allow for efficient visualization.

As I strive to make Grapher fit your needs, any feedback and bug-reports are greatly appreciated!

Pro version features
• Full support for complex 2D functions (i.e. plot a real + imaginary part), complex plane parametric plots and domain coloring
• Variable sliders: adjust parameters to see their effect in real-time
• Choice between light and dark theme

Curve types
• Function (e.g. parabola, sine wave)
• Polar (e.g. rose, spiral)
• Parametric (e.g. ellipse, Lissajous) on the xy-plane, rθ-plane or complex plane
• Implicit equation (e.g. conic sections)
• Implicit inequality (e.g. half-plane)
• Complex domain coloring (e.g. Riemann zeta)
• 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
• Complex number support
• Real-time variable sliders
• Functions can reference each other, e.g. g(x)=2*f(x+1)
• Custom math keyboard
• Auto-detect input type
• User variable support for both numbers and functions
• Adjustable parameter range (for cartesian, polar & parametric curves)
• Input history
• Plot up to 28 graphs at once
• Light and dark theme
• 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.

Ratings and Reviews

Rating: 4.7/5 based on Less than 100 reviews

(*) is required

1 ★ This app crashes during a licence check.

5 ★ Can you please add cylindrical and spherical coordinates

5 ★ It's super useful.

5 ★ I am a pro

5 ★ Excellent , unsurpassable.

5 ★ Thanks for this awesome application! You saved me a lot of times with your grapher (even the free version is fantastic). I'm glad of my purchase. Good job!

5 ★ Great app. 😁

5 ★ I was looking for an app that can plot complex numbers! Though it does its part in 2D, I would love to see complex number plotting abilities for 3D! Overall nice app.

3 ★ Does not plot inverse function

3 ★ Amazing app. But please look into this: #1 Bug: The functions I've defined can suddenly be assigned letters I haven't chosen, meaning f(a) might suddenly become b(a). #2 Allow us to quickly toggle the functions on the main screen. #3 Increase the length of a function if possible. #4 Allow us to easily save and load functions and variables, both on the main screen and on the "Variables/Functions" page. Thank you for a great app.

3 ★ I would like it to plot and determine the linear equation based on two sets of points x1,y1 and x2, y2. Doesn't work your formula, just gives me a horizontal line. I don't how you derived to this equation. I see the slope in the equation but the offset seems strange.

5 ★ This is the first app I've ever rated, and I'm doing so because it is really amazing! Couple of things would be useful: variables with multiple letters; capability to graph complex functions in 3d...

5 ★ I love this app, it really helped me graphically understand some calculus concepts. I would love to see a complex function plotter, for example for e^ix to be plotted as a circle, not as it's trig counterparts. Besides that wonderful 🤗

5 ★ Awesome app, the best plotter I found for mobile! Only think I'm missing is an option to stash or save graphs and formulas for later to keep the app neat

4 ★ ASSIGN feature only works intermittently. Rest of app very good.

Previous versions

Grapher Pro - Equation Plotter & Solver 1.4.2c APK for Windows (#1, 1 MB)