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This app contains two mathematical calculators one for Arithmetic operations while the other illustrates Trigonometry operations. The Arithmetic calculator includes: • Addition • Subtraction • Multiplication • Division • Percentage • Square root The first four operations require two numbers while the last two requires only one. The outcome number of any mathematical operation can be used again and so on. The Trigonometry calculations included are the following: • Sine • Cosine • Tangent • Cotangent • Secant • Cosecant The oper...

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, cotangen...