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
New Release.
9Apps 4.9
