RK-83: Scientific Graphing Calculator|教育線上App不用買-HotApp4Game

Visit www.rkalk.com to see video tutorials on powerful RK-83 features!Don't spend $100+ on an old fashioned graphing calculator. Get all these features (plus more added with every FREE update):Algebra and Trigonometry:-Functions for calculating the absolute value, floor, ceiling, gcd, fractional part, integer part, and more-Nestable functions: gcd(4,gcd(14,6))-Scientific Notation with 14 digit precision: the highest possible machine level precision for iPhone-Standard trig functions (sine, cosine, cosecant, secant, cotangent)-Hyperbolic and inverse trig functionsStatistics:-Min, max, mean, standard deviation, variance-Easy to use list syntax: stdDev({1,2,3,2})-Create custom lists: seq(rand*X,X,1,5)Calculus:-Calculate the area under a curve: fnInt(2X, X, 1, 2)-Find a point derivative: nDeriv(X^2+X, X, 0)-Solve for zeros: solve(X^2 - 2, X, 1.5)-Complex number operations: conj(), real(), imag()Linear Algebra:-Matrices use built in operators, like "*" for multiplication: [[1,2][3,4]] * [[5,6][7,8]]-Use built-in functions on matrices: sin({1, 2, 3}) -Get the dimensions of a matrix: dim([[4, 5, 6][7, 8, 9]])Extras:-Email your calculation history-Get support online at RKalk.com, or email us directly: contact@rkalk.comThe RK-83 grapher is intuitive, powerful, and easy to use. The features you'll love:-Touchable panning and pinch zooming-Vibrant multi-colored graphs-The best graph tracing you've ever seen-Full screen shotsVersion 1.2 is available now! It adds the much requested degree/radian mode! It's faster and more powerful than ever!New in Version 1.2:-Create and modify lists: sortA(seq(rand,X,1,10))-User-defined functions: func(X, X^2)->G-While loops: while(not(isPrime(X)), X+1->X)-Degree and radian angle modes (in Settings below the Graph button)-Quickly adjust your graph scale for "Degree Mode" with the new "ZoomTrig" button-Faster graphingVisit www.rkalk.com for documentation, including video tutorials, sample problems, and function reference.