Scientific Calculator

CalcTastic 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 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.

If you find CalcTastic Scientific Calculator useful, consider the PLUS version ($3.99 USD). The PLUS version also includes Polar-Form Complex Numbers, 7 Additional Themes and a Full-Featured Programmers Calculator.

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GENERAL

- High Internal Precision

- Two Algebraic Modes with Editable Equations

- Two RPN Modes with Undo Support and up to 100 Stack Registers

- A Basic Mode with all the Essentials

- Calculation History with 100 Records

- Memory with 10 Registers

- 5 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

- 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

- Over 300 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