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Free Graphing Calculator: Function, Parametric, Points with Curve Fitting; Polar

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NOTE: An improved version of this app with a NEW package is NOW available at

https://play.google.com/store/apps/details?id=com.gcalcd.calculator.graphcalcfree

It's highly recommended that you get the above instead of the old one (the app on this page). It has the same functionality with improved look & feel and is updated for Android 8 (Oreo) and has bugs fixed.

The old Free Graphing Calculator (on this page) is deprecated , will not be updated and will be removed from the Google Play Store in the future.

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The most powerful free graphing calculator for Android. This truly integrated Graphing Calculator features graphing capabilities offered by no other graphing calculators and its advanced, user-friendly interface makes graphing and calculations as intuitive as possible.

1. Graphing Features

In addition to functions, this Graphing Calculator is capable of graphing parametric equations and plotting point sets using Cartesian and polar coordinate systems.

NOTE: To graph the expression in focus press the ‘graph’ button. To graph one or more selected expressions simultaneously, press the ‘Graph’ (capitalized) button.

When plotting points, it is the only free Graphing Calculator capable of finding and graphing the polynomial of the least degree passing through a set of points. In addition, by using this Scientific/ Graphing Calculator you can find and graph the best line (linear regression line) that fits a set of points according to Gauss' Least Squares Criteria.

2. Scientific Features

This Scientific Calculator is also capable of calculating complex numbers in standard, polar or any other forms.

The Calculator can display a table of values for functions and parametric equations even with complex expressions.

The Calculator can display the result in scientific, engineering and fixed point notations.

Calculate relevant expressions in degrees or radians mode.

Apart from standard functions, this Graphing Calculator is equipped with Gamma, Γ and Psi, Ψ, functions.

The Calculator also comes with an easy-to-use units converter (Time, Mass, Length, Velocity, and many more), and list of constants from various fields of sciences which can be used in your calculations

3. Available functions

• Basic algebraic operations

• Power functions, x^r and E(x)

• Trigonometric functions and their inverses

• Hyperbolic functions and their inverses

• Exponential , e^x and exp(x), and logarithmic functions

• Factorial, the Gamma function Γ and Psi function Ψ

•Absolutel value and step functions, round, floor, ceil

What's New in the Latest Version v3.9.1.3