CalcTastic Scientific Calculator is a high-precision, feature-rich scientific calculator with years of refinement and thousands of satisfied users. Choose from 5 different themes, a configurable display and your choice of operation, Algebraic or RPN. CalcTastic Scientific Calculator is FREE but comes with many great features including a Unit Converter, Fractions, Complex Numbers, Advanced Statistics, History & Memory Registers and a full-online Help Section. GENERAL

High Internal Precision 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 5 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

Rectangular Form Complex Number Support Real, Imaginary, Magnitude, Argument 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 different 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