Free
Free Graphing Calculator  PocketCAS lite
Happy Holidays! 30% off PocketCAS pro till the New Year! PocketCAS is the most advanced mathematics application for iPhone and iPad. It can help you with any kind of math problem, from elementary school all the way up to calculus, algebra and statistics. It can replace your old graphing calculator, help you with your homework, and assist you in any kind of calculation for university or work. This app is an indispensable tool for every student, teacher and engineer. It makes collegelevel calculus and algebra easy and can help you in a wide range of cases. It provides features comparable with a TI89 calculator and combines them with a modern, intuitive interface and incredible graphics capabilities. MATHEMATICAL CAPABILITIES  2D Plots: Quickly create 2D cartesian, implicit, polar or parametric plots.  3D Plots: PocketCAS draws stunning 3D plots!  Calculus: Calculate limits, derivatives, integrals and taylor expansions.  Linear Algebra: Invert and multiply matrices or calculate determinants, eigenvalues and much more!  Algebra: Perform integer and polynomial factorization and division, use permutations, and more.  Solving: PocketCAS will solve almost any equation for you. It even supports systems of linear equations and ordinary differential equations!  Scripting: PocketCAS' Cstyle scripting language allows you to define custom functions, use conditional expressions, loops and also supports recursion.  Physical Units: Constants and units are provided out of the box. Simply enter physical formulas with the corresponding units and convert results to the units you prefer. ADDITIONAL FUNCTIONALITY  iCloud support: Sync documents between your Mac, iPhone and iPad!  Export: Print or export plots, entries or the whole document as PDF!  Mathematical keyboard: PocketCAS' mathematical keyboard is unmatched on the App Store.  Help: All functions are explained in the builtin reference. If you're stuck, there's plenty of tutorials as well as a manual (http://pocketcas.com/manual) to get you going. And you can always contact our support (http://pocketcas.com/support) for help!  Offline computation: PocketCAS doesn't need an internet connection to calculate results. LIMITATIONS OF THE LITE VERSION PocketCAS lite is a free version of PocketCAS that will allow you to try out the interface and many features before buying PocketCAS pro. It has the following limitations:  Many advanced mathematical functions (e.g. integration, taylor expansion, eigenvalues, etc.) are unavailable.  It will plot only one function at a time.  Exported graphics will be watermarked. The full functionality is available in PocketCAS pro. REVIEWS "This program has an incredible amount of power for such a compact program. I teach high school math, and this program can work with all sorts of expressions, graphs, and help check my work. Definitely worth it!" "I am 8 years old and this App is awesome! It helps you learn calculus quickly. It's a work of art!" "One of three Apps I use when teaching A Level maths. Have recommended to numerous students. Excellent." "This is one of the best. The CAS capabilities are compatible to only two other apps, and this one is all offline and includes countless additional features. It's never steered me wrong and is the first thing I go to when I'm in a hurry to figure something out. If you're a student this is pretty much as good as it can get." "You will love this calculator. It's powerful to calculate everything, doesn't matter you're a high school student or college student. Specially for the people who like to solve problems with graphs!" "This app is so powerful and slick looking. It is totally amazing and what it can do."
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Definitely the best graphing calculator app I've used”
Great math app”

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