Quick Graph: Your Scientific Graphing Calculator

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  • Last update: 4 years ago
  • Version: 2.6.5
  • Size: 8.7 MB
  • Compatibility: Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.
  • Author: KZ Labs
  • Content rating: Rated 4+
  • Languages: English, Arabic, Catalan, Czech, Danish, Dutch, Finnish, French, German, Greek, Hebrew, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Norwegian Bokmål, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Slovak, Spanish, Swedish, Thai, Traditional Chinese, Turkish, Ukrainian, Vietnamese
  • In-App Purchases:
  • Advanced Features $1.99
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Quick Graph: Your Scientific Graphing Calculator Review

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Quick Graph: Your Scientific Graphing Calculator Review

Quick Graph is the best graphic calculator available on the AppStore!

It is a powerful, high quality, graphic calculator that takes full advantage of the multitouch display and the powerful graphic capabilities of the iPad and iPhone, both in 2D and 3D. A simple, yet intuitive interface that makes it easy to enter and/or edit equations and visualize them in mathematical notation.
It's capable of displaying explicit and implicit (opt) equations as well as inequalities (opt) in both 2D and 3D, in all standard coordinate systems: cartesian, polar, spherical and cylindrical, all with amazing speed and beautiful results, which can be copied, emailed or saved to the photo library.

"It's ok to write yet another graphing app, so long as it is the best one. And this is"
-- Review by RightyC1

Please keep in mind that in this version, you now have to specify y=, x=, z= and so on, whenever you want to plot an equation.

The advanced feature set gives you access to some of the new features, such as implicit graphs and tracing. You need to specify the dependent variable now, since just typing "x^2" without the y=, will assume the expression to be "x^2=0" and will try to plot it as an implicit graph.

Up to 6 equations can be visualized simultaneously, in both 2D and 3D modes, this limitation can be removed by purchasing the advanced feature set. All the features from the original application are present and will remain free.

It also includes an evaluate feature, to evaluate equations at specific points, as well as a library where you can store commonly used equations.

- VGA Output (available with the advanced features package. iPhone 4, 4th gen iPod, and iPad only)
- 2D - 3D equation plotting.
- Library for commonly used equations.
- Wireframe and solid visualization.
- Support for cartesian, polar, cylindrical and spherical coordinate systems.
- Pinch to zoom.
- Drag to rotate - move.
- Swipe to delete equations from the equation list.
- Shake to reset view to original state, or to clear entry fields.
- Double tap to change visualization modes.
- Enhanced 2D mode for great hi-res graphics.
- Adaptive 2D algorithms.
- Enhanced 3D mode with better graphics.
- In-app email so you can share graphics and equations.
- Save to photo library.
- Copy to clipboard.
- Enhanced equation visualization.
- Hyperbolic and Inverse functions.
- New functions such as Min, Max, if.
- Interactive expression evaluation.
- Optionally you can unlock implicit graphs, inequalities and other advanced features (via in-app purchase).
- Turn graphs on/off

The optional advanced feature set includes:
- VGA Out
- 2D tracing.
- 2D and 3D implicit graphs.
- 2D and 3D inequalities.
- Independent 2D zoom
- Roots and Intersections (2D)
- Value Table
- More features to come!

Please visit the website for more details.


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Rating Distribution

(10 721)


  • r
    I have used calculators, computers, Excel and several iPad Apps to solve math and engineering problems in my business and recreation, but I would not trade any of them for Quick Graph. It is a lot more than a calculator, it is better and quicker than Excel, and far superior to other iPad math apps. The graphing is excellent, quick, and very accurate. For example, by zooming in on two transcendental equations to find roots, 4 and 5 place numerical accuracy can be obtained by highlighting where the two curves cross. Multiple roots can also be found. You can save the solutions for later reference. I would like to see more functionality for other math problems, perhaps a small calculator pop up for side calculations, and some pop up help with the many keys and functions. A hide/unhide equation button would be nice when too many lines and equations appear on screen that confuse. A library of identities, stored constants, and user defined variables would also be nice, but these things do not alter the value of Quick Graph. Does QG allow substitutions of one equations result into another? Fabulous App.....Good job.
  • S
    Firstly, this application runs smoothly and produces excellent models, considering the price. This application has a lot of potential and I am excited to see what comes next. Please keep up the good work! A note on text editing: Editing text is slightly touchy. You can magnify and select specific places to edit, but it doesn't always work. If you think it isn't working, just try placing you finger on the text and, after a brief pause, pull down until the magnifier appears. A note on modeling: The 3D modeling benefits greatly from an optional wireframe, which can be engaged by double-tapping the screen. This allows the user to see more of the surface(s) which would have otherwise been hidden by the default opaque texture.
  • R-
    Rick - Known as Tarzan
    I almost never write reviews, but this is by far one of the very best high-quality apps I own. My daughter teaches AP Physics and Calculus, and I just sent her examples of what I could do with this. She doesn't write reviews either, but I'll bet she does after she downloads and uses this fantastic product. Keep in mind, a struggling total beginner, using this for nothing more than straight linear functions will understand the basics like y = mx+ b in MINUTES! Parents, grandparents, get this for those young ones who are taking beginning algebra. Teachers, get this for your students or at least suggest they download it. And for you advanced math geeks, you are going to love this too.

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