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Video: https://youtu.be/6BR8Lv1U9kA

Help site with instructions and examples: http://help.mathlab.us

If you have a question, send email to [email protected]

**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

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