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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 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 (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

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

• 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

• 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 (PRO)

• 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

• 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

• 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 and vector arithmetic operations

• Vector cross product, dot product (hold *) and norm

• Matrix determinant, inverse, transpose and trace functions

• Physical constants (PRO)

• User defined constants and functions (PRO)

• Save expressions for future reference

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4.6

88.6K reviews

Heidi Bronson

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May 1, 2021

I don't usually give ratings but here I am! Along with graphing any equation I've come across to graph, it will function as a regular calculator and solve equations with the solving process lined out. It also has a table that I'm not familiar with but I'm sure it works great. On top of that, this is all on the free version. There are probably a lot more amazing features on the paid version. Thanks😊

69 people found this review helpful

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J S

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May 6, 2020

Very surprised and delighted to find a calculator app with so much functionality. I'm used to switching between different calculator apps with different individual functions when helping my kids with their homework. With 3 different workspaces to work in at the same time, big plus. Awesome calculator!!! Would recommend to anyone, especially students.

115 people found this review helpful

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Daniel Cole

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December 15, 2020

I've installed this app on every phone I've had for about five years now. This is maybe the most useful piece of freeware I've ever had the privilege of using. The interface is excellent and intuitive. I don't use the actual graphing functions much personally, but there's nothing like a calculator that writes our all of your calculations visually as if you were doing them by hand. Now that I'm out of college I sold my TI-84 because I know I always have access to this app. Does everything I need.

88 people found this review helpful

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Use blue + button to add expressions

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