CalcTastic Calculator

Copyright © 2012
ShayTastic Software

CalcTastic Calculator is a feature-rich calculator for the Android Platform. CalcTastic includes two fully independent modes: a High-Precision Scientific Calculator with Complex Numbers, Fractions, 19 Statistical Functions, 44 Physical Constants and 289 Conversion Units. ¬†Accept no substitutes, CalcTastic is also Android’s most full-featured Programmer’s Calculator.





  • Algebraic (Prefix or Postfix) or RPN Input 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)
  • Split-Screen Support



  • 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



  • 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



  • 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




ShayTastic Software hereby disclaims all warranties with regards to CalcTastic Calculator (“this software”). This software is provided AS-IS with no warranty of any kind, expressed or implied, including but not limited to, the implied warranties of merchantability and fitness for a particular purpose.

While every effort has been made to ensure the accuracy of CalcTastic Calculator, ShayTastic Software shall not be held responsible for any errors resulting from its use.

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