# Calculadora gráfica + Mates, Álgebra & Cálculo

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Vídeo: 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(), Iniciar sesión(), Iniciar sesión[base]()
• Trigonometric functions sin π/2, cos 30°, …
• Hyperbolic functions sinh, cosh, tanh, … (sostener “mi” 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

GRAPHING CALCULATOR
• Multiple functions graphing
• Implicit functions up to 2nd degree (ellipse 2x^2+3y^2=1, etcétera)
• 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

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(UNA) = 15
• Average avg(UNA) = 3
• Median median(UNA) = 3
• Sample variance var(UNA) = 2.5
• Population variance varp(UNA) = 2
• Standard deviation stdev(UNA) = 1.58…, stdevp(UNA) = 1.41
• Covariance cov(UNA,segundo) = 2.5
• Correlation corr(UNA,segundo) = 1

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

LIBRARY
• Physical constants (PRO)
• User defined constants and functions (PRO)
• Save expressions for future reference