Scientific Calculator
Scientific Calculator Summary
Scientific Calculator is a mobile Android app in Tools by CalcTastic. Released in May 2012 (14 years ago). It has about 469K+ installs and 2K ratings with a 4.59★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 9.7K monthly active users . Store last updated Sep 24, 2025
Recent activity: 1.2K installs this week (4K over 4 weeks) showing below average growth , and 2.00 new ratings this week View trends →
Scientific Calculator SDKs Summary
App not yet scanned for SDKs.
4.59★
Ratings: 2K
Screenshots
App Description
Scientific Calculator with Fractions, Complex Numbers and RPN Support
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