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Good Grapher Pro - scientific graphing calculator app for iPhone and iPad


4.4 ( 7744 ratings )
Productivity Education
Developer: Iurii Mozharovskyi
1.99 USD
Current version: 3.3.3, last update: 7 years ago
First release : 23 Dec 2010
App size: 10.04 Mb

Good Grapher™ - great and very powerful scientific graphing calculator. It will become your reliable assistant from elementary school to university and work.

Customer reviews:
"Amazing app! I love it. It has Many great features that beat my T83"
"Best calculator. Its my favorite app now ) Functionality and usability is on top level."

SCIENTIFIC CALCULATOR:
- History tape
- real and complex numbers
- radians and degrees angle modes, support for minutes, seconds, grads
- constants: astronomical, atomic, electromagnetic, mathematical, physicochemical, universal
- functions: sin, cos, tan, cot, sec, csc, sinh, cosh, tanh, coth, asin, acos, asec, acsc, atan, acot, asinh, acosh, atanh, acoth, log2, log10, ln, logn(n,x) (log x with base n), √, ³√, abs, avg, ceil, floor, round, deg2rad, rad2deg, max, min, sgn, lcm, gcd, nCr, nPr, arg, real, imag, conj, polar
- operators: +, -, *, /, % (modulus), ^, ! (factorial), (minutes), " (seconds), {grad}
- ← - assignment operator and A, B,…,J variables for values storage
- copy/email calculations

2D GRAPHING CALCULATOR:
- carefully-designed graph visualization with multi-touch support (pinch to zoom and drag to scroll)
- cartesian y(x) and x(y), polar r(θ), parametric x(t) y(t), implicit graphs
- inequalities drawing
- function tracing and automatic min/max, zeros, intersections scanning for all function types
- intersection discovering between different function types, e.g. between cartesian y=x and polar r=1
- unlimited number of functions can be drawn simultaneously
- standard, trigonometric and logarithmic axes
- proportional and non-proportional scaling
- customizable graph colors
- table of graph values
- copy, save, email screenshot

3D GRAPHING CALCULATOR:
- pinch to zoom and drag to rotate
- cartesian x(y,z), y(x,z), z(x,y), cylindrical x(p,φ), y(p,φ), z(p,φ), spherical r(θ,φ), parametric xyz(u,v) and implicit graphs
- inequalities drawing
- points, lines, surface drawing modes
- configurable graph bounds
- copy, save, email screenshot

MATH SOLVER:
- polynomial solver:
2x - 3 = 0 (linear)
3x² + 4x + 8 = 0 (quadratic)
5x³ + 2x² - 4x + 2 = 0 (cubic)
7x⁴ - 2x³ + 3x² + 2x - 1 = 0 (quartic)
- system of linear equations solver
with 2 unknown
2x - 9 = 9
3x + 4y = -13
with 3 unknown
-5x + 4y + 2z = -4
7x + 2y + 3z = 19
3x + 5y - 1z = 10

MAC APP STORE
Good Grapher is also available on the Mac App Store.
See www.goodgrapher.com

Visit www.goodgrapher.com for more screenshots, demo videos, details and news. Feel free to contact us for any questions and suggestions.

Pros and cons of Good Grapher Pro - scientific graphing calculator app for iPhone and iPad

Good Grapher Pro - scientific graphing calculator app good for

Its a great app for graphing whatever equation someone thinks of, but some simple functionalities would be of good help. For example, labels for each equation, or the option to group the equations. I hope to see these kind of improvements.
WHY DOES IT STOP MY MUSIC WHEN I TURN IT ON!!! Otherwise, awesome awsome app!
Got it when it was free and use it in my math classes instead of the graphing calculators they recommend. Awesome alternative to paying the $100-$200
The calculator and graphing calculator are very good, they have all the functions and capabilities I have needed so far (high school math and calculus) and far more. However, my biggest two complaints are that the syntax is way to strict, so If you have a large equation you have to type in every * and bracket. This gets to be quite time consuming if you need to graph many equations. The other complaint I have is that when you use the graphing calculator tab, it wont allow you to play your music. Other than that, great calculator.
Does everything I need and more, a really useful tool for reference in multivariable calculus classes.
An extraordinarily well done app with regards to both performance and user interface. Amazing tool for calculus.

Some bad moments

When i use the 3D grapher surphaces appears Made by squares. Pls fix that bug i have an analysis exam today.
Great Grapher and calculator, only setback is the inability to manipulate complex numbers; however, it complements a more phenomenal calculator app that I have. The graphing aspect is great nonetheless.
It works better than any other cost effective 3d graphing app.
If you are in any math class, get this app. From High School Algebra to College Calculus you will find this app extremely Helpful.
I would appreciate the ability to graph single points, aside from that it is an amazing app
Love it, cant do everything as a 84, but the table feature is just plain awesome.

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