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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: https://help.mathlab.app

**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: https://help.mathlab.app

• 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

82.9K reviews

Tiffany Rogers

- Flag inappropriate

March 31, 2021

Update to the update: Thank you for telling me that the Pro version works offline; however, this does not solve the problem of the FREE version not working EVEN WHEN ONLINE..."network connection error" when on Wi-fi network. This calculator has always worked fine in the past whether on network or phone data. Now it does not work. Update: I haven't been able to use this due to "network connection error". It doesn't matter whether I am online or not, same message. I've deleted and reinstalled. No luck... I used to love this app and recommended it to all of the students at the college where I work, but Issues have reduced my ability to promote it at this point.

Mathlab Apps, LLC

April 1, 2021

Dear Tiffany. It seems something wrong with your device or its settings. Could you please write to our developer at calc@mathlab.us and explain him what happened when the app stopped to work. Send the copy of that email to me at buzz@mathlab.us, and I'