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About the application:

Graphing Calculator by Mathlab is a scientific graphing calculator integrated with algebra and is an indispensable mathematical program for students from high school to those in college or graduate school, or just anyone who needs more than what a primary calculator offers. It is designed to replace bulky and costly handheld graphing calculators and works on virtually any Android device smartphone or tablet. Free ver requires internet connection and includes advertisements! Make batter to PRO! Video: https://youtu.be/6BR8Lv1U9kA Help website 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 (keep √ 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, ... (keep "e" key to switch) • Inverse functions (keep direct function key) • Complex numbers, all functions help complex arguments • Derivatives sin x' = cos x, ... (keep 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 fresh 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 photos • Save tables as csv • 3D graphs (PRO) FRACTION CALCULATOR • Easy and complex fractions 1/2 + 1/3 = 5/6 • Mixed numbers, use place 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 • Keep 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 (keep *) and norm • Matrix determinant, inverse, transpose and trace functions LIBRARY • Physical constants (PRO) • Player defined constants and functions (PRO) • Save expressions for future reference