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About Scientific Calculator Plus

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).

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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

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Frequently Asked Questions(FAQ)

What are the different modes available in CalcTastic?

The different modes available in CalcTastic are Algebraic (Prefix or Postfix) or RPN Calculator Modes.

What is the display options available in CalcTastic?

CalcTastic provides Expression or Stack Display options.

How many records does the Expression History store in CalcTastic?

The Expression History in CalcTastic stores 20 records.

How many registers are available in the Calculator Stack of CalcTastic?

The Calculator Stack in CalcTastic has 20-50 registers.

What is the number of registers in the Memory of CalcTastic?

CalcTastic has 10 registers in its Memory.

How many different themes does CalcTastic offer?

CalcTastic offers 12 different themes.

Does CalcTastic support Copy and Paste functionality?

Yes, CalcTastic supports Copy and Paste functionality.

Can the numeric display be configured in CalcTastic?

Yes, CalcTastic allows configuring the Numeric Display, including decimal and grouping options.

What is the long-click feature in CalcTastic?

The long-click feature in CalcTastic eliminates the need to press SHIFT for certain operations.

Is CalcTastic easier to use than traditional Casio or HP calculators?

Yes, CalcTastic is designed to be easier to use than traditional Casio or HP calculators like 11C or 15C.

What features are included in the Scientific mode of CalcTastic?

The Scientific mode of CalcTastic includes High Internal Precision, support for Complex Numbers (Rectangular and Polar form), functions for Real, Imaginary, Argument, Magnitude, and Conjugate, Fractions and Fraction Calculations, Decimal to Fraction Conversion, Degree, Minute, Second Support, multiple Notations (Standard, Scientific, Engineering, and Fixed Decimal), configurable Display Precision, Physical Constants table, Conversion Units, Trig Functions, Logarithms, Percent and Delta Percentage calculations, and various other operations.

What statistical functions does CalcTastic offer?

CalcTastic provides Factorial, Combinations and Permutations, Random Number Generator, Single-Variable Statistics commands (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).

What features are available in the Programmer mode of CalcTastic?

The Programmer mode of CalcTastic includes Binary, Octal, Decimal, and Hexadecimal display and conversions, support for all common integer-sizes (8, 16, 32, and 64 bit), both SIGNED and UNSIGNED modes for all integer-sizes, Calculation History viewable in all four bases, casting between different integer-sizes, dedicated binary-bit display for all 64-bits, bitwise logic operations (AND, OR, XOR), bitwise shift operations (differentiates between SIGNED and UNSIGNED right shifts), Roll Left and Right for quick number entry, 1's and 2's complement operations, Byte and Word flipping, and Random Number Generator.
author
Long time rpn user, since hp 41. Great to use. Love the history feature, not many calcs have it.
Michael R
author
Easy to use .. very handy to have on the phone... Great functionality
Jim Van Osdell
author
Calculator is excellent. Kinldy add an option to change bottom right button as "=" on basic mode. Most of the calculators has equal sign on bottom right. It is hard for me to locate it when making quick calc...
Sercan S
author
Settings=great. Themes=great. FUNCTIONALITY=AWESOME! This is a great calculator app for just $0.99.
Patrick Neeley
author
very good RPN calculator. User interface seems a bit incongruent with android.
Justin Buell
author
It's unfortunate that RPN is such a niche these days, that physcial calculators are so prohibitively expensive compared to standard scientific models as a result, because in my opinion RPN is vastly superior...
Joe Goldberg