Graphing Calculator + Math PRO

What is Graphing Calculator + Math PRO?

The Graphing Calculator + Math PRO app provides a full scientific graphing calculator for mobile devices, easy to use on the go and just as powerful as its clunky predecessors.

The Android-only Graphing Calculator + Math PRO app is rated for users of all ages and can be downloaded for $8.99 in the Google Play store. Graphing Calculator + Math PRO does not contain any in-app advertisements or additional purchases.

The Graphing Calculator app is an excellent tool for students, and therefore excellent to be used in tandem with tradition TI graphing calculators, as it displays calculations as it performs them, helping users to watch and learn the process for finding the final answer to a problem.

While school rules and Texas Instruments' complete monopoly in the educational market may mean that students are unable to use the Graphing Calculator app for test-taking.

The Graphing Calculator + Math PRO app is capable of the following functions:

Scientific Calculator

• Square root, cube and higher roots (hold √ key)
• Exponent or power, use x^ key, (x^2)
• Logarithms ln(), log(), log[base]()
• Trigonometric functions sin π/2, cos 30°, ...
• Hyperbolic functions sinh, cosh, tanh, ... (hold "e" key to switch)
• Inverse functions (hold direct function key)
• Complex numbers, all functions support complex arguments
• Derivatives sin x' = cos x, ... (hold x^ key)
• Scientific and engineering notation (enable in menu)
• Percent mode
• Binary, octal and hexadecimal numbers, 0b1010, 0o123, 0xABC
• Save and load history

Graphing Calculator

• Multiple functions graphing
• Implicit functions up to 2nd degree (ellipse 2x^2+3y^2=1, etc.)
• Polar graphs (r=cos2θ)
• Parametric functions, enter each on new line (x=cos t, y=sin t)
• Function roots and critical points.
• Graph intersections
• Tracing function values and slopes
• Slide to scroll
• Pinch to zoom
• Fullscreen graphs (PRO)
• Function tables
• Save graphs as images
• Save tables as csv
• 3D graphs

Fraction Calculator

• Simple and complex fractions 1/2 + 1/3 = 5/6
• Mixed numbers, use space to enter values 3 1/2
• Use parentheses (1+2)/(3+4)=3/7

Algebra Calculator

• Linear equations x+1=2 -> x=1
• Quadratic equations x^2-1=0 -> x=-1,1
• Approximate roots of higher polynomials
• Systems of linear equations, write one equation per line, x1+x2=1, x1-x2=2
• Polynomial long division
• Polynomial expansion, factoring
• Linear and quadratic inequalities

Probability and Statistics

• Hold n! key to enter functions, double tap dot to enter comma
• Combinations nCr(5,2)=10
• Permutations nPr(5,2)=20
• Sample A=[1 2 3 4 5]
• Sample B=[2 3 4 5 6]
• Sum sum(A) = 15
• Average avg(A) = 3
• Median median(A) = 3
• Sample variance var(A) = 2.5
• Population variance varp(A) = 2
• Standard deviation stdev(A) = 1.58..., stdevp(A) = 1.41...
• Covariance cov(A,B) = 2.5
• Correlation corr(A,B) = 1

Matrix Calculator

• Matrix and vector arithmetic operations
• Vector cross product, dot product (hold *) and norm
• Matrix determinant, inverse, transpose and trace functions