CalcTastic Plus is a feature-rich calculator with years of refinement and exceptional user ratings. Choose from 12 different themes, a configurable display and your choice of operation, Algebraic or RPN. CalcTastic Plus includes two fully-independent modes: - A high-precision Scientific Calculator with Fractions, Complex Numbers, Physical Constants, a Unit Converter, Advanced Statistics, History & Memory Registers and a full-online Help Section. - A full-featured Programmers Calculator with a dedicated Binary Display, support for Signed & Unsigned Integers (from 8-64 bits) as well as separate History & Memory Registers (viewable in binary, octal, decimal or hex). -------------- GENERAL - Two Algebraic Modes with Editable Equations - Two RPN Modes with up to 50 Stack Registers - A Basic Mode with all the Essentials - Calculation History with 50 Records - Memory with 10 Registers - 12 High-Quality Themes - Copy and Paste - Configurable Numeric Display (Decimal and Grouping) - Easier to use than many other Calculator Apps - Quicker than locating your Casio & HP Calculator (11C / 15C) SCIENTIFIC - High Internal Precision - Rectangular and Polar form Complex Number Support - Real, Imaginary, Argument, Magnitude and Conjugate Functions - Fractions and Fraction Calculations - Convert Decimals to Fractions - Degree, Minute, Second Support - Standard, Scientific, Engineering and Fixed Decimal Notations - Configurable Display Precision from 0 - 12 digits - Table of 44 Physical Constants - 289 Conversion Units across 18 Categories - Trig Functions in Degrees, Radians or Grads - Hyperbolic Trig Functions - Natural and Base-10 Logarithms - Percent and Delta Percentage - Remainder, Absolute, Ceiling and Floor operations STATISTICAL - Factorial - Combinations and Permutations - Random Number Generator - 15 Single-Variable Statistics - Quantity, Min, Max, Range, Sum, Median - Arithmetic Mean, Geometric Mean, Mean Squared - Sum Squared, Sum of Squares of Variance - Sample Variance, Sample Standard Deviation - Population Variance, Population Standard Deviation PROGRAMMER - Binary, Octal, Decimal and Hexadecimal - History viewable in all Four Bases - Convert between Bases - Signed and Unsigned Integers (8, 16, 32 and 64-Bit) - Cast between Integer Sizes - Dedicated Binary-Bit Display (and Toggle) for all 64-Bits - Bitwise Logic Operations AND, OR, XOR - Bitwise Shift Operations - Roll Left and Right - Byte and Word Flipping - Ones and Twos Complement - Native interpretation is Twos Complement - Random Number Generator