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# Graphing Calculator + Math, Algebra & Calculus

Graphing Calculator by Mathlab is a scientific graphing calculator integrated with algebra and is an indispensable mathematical tool for students from high school to those in college or graduate school, or just anyone who needs more than what a basic calculator offers. It is designed to replace bulky and costly handheld graphing calculators and works on virtually any Android phone or tablet. Free version requires internet connection and contains ads! Upgrade to PRO! Video: https://youtu.be/6BR8Lv1U9kA Help site with instructions and examples: http://help.mathlab.us If you have a question, send email to calc@mathlab.us 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 ?/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=cos2?) • 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 (PRO) 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 LIBRARY • Physical constants (PRO) • User defined constants and functions (PRO) • Save expressions for future reference

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## What you should know about Graphing Calculator + Math, Algebra & Calculus app

• Highligths
Very helpful great companion to have while doing homework
This one is the best calculator app i have come across”
Best math tool without a doubt”
The greatest scientific calculator that I ever know”
I have been refreshing my math skills
This is almost definitely the best graphing calculator app in terms of functionality”
It has graphing and really good real time calculations”
Very usefull and nice app for students and nice graphing calc too”
Recommending this app to all math beginners and advanced users
Excellent for learning math through experimentation”
• Keep in mind
It's ridiculous to require an internet connection to use a calculator”
If the free version worked in offline mode

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