CalcTastic 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 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. CalcTastic is also a full-featured Programmer's 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 - Algebraic (Prefix or Postfix) or RPN Calculator Modes - Expression or Stack Display - Expression History with 20 Records - Calculator Stack with 20-50 Registers - Memory with 10 Registers - 12 High-Quality Themes - Copy and Paste - Configurable Numeric Display (Decimal and Grouping) - Intuitive long-click feature removes the need to press SHIFT - Easier to use than traditional Casio or HP calculators (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 commands operate on all stack entries - 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 display and conversions - 100% support for all common integer-sizes (8, 16, 32 and 64 bit) - Every integer-size is supported in both SIGNED and UNSIGNED modes - Calculation History viewable in all four bases - Cast from any integer-size to any integer-size - Dedicated binary-bit display for all 64-bits - Instant access to toggle any binary bit - Bitwise logic operations AND, OR, XOR - Bitwise shift operations (correctly differentiates between SIGNED and UNSIGNED right shifts) - Roll Left and Right for quick number entry - 1's and 2's complement. Native interpretation is 2's complement - Byte and Word flipping - Random Number Generator