About 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...
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
Previous Versions
Here you can find the changelog of Scientific Calculator since it was posted on our website on 2013-08-21 18:45:50.
The latest version is 8.1.3 and it was updated on 2026-10-10 23:28:46. See below the changes in each version.
Scientific Calculator version 8.1.3
Updated At: 2025-09-24
Changes: Minor fixes and improvements.
Scientific Calculator version 8.1.2
Updated At: 2025-04-27
Changes: - RPN users now have an UNDO feature that will revert the last stack operation.
- Updated power and nth-root to be more natural for each input type.
- Increased maximum history and stack sizes to 100.
- Added a setting to clear the screen when the app shuts down.
- Improved support for Android 15 devices.
- Visit the website for other minor improvements and fixes.
Scientific Calculator version 8.0.2
Updated At: 2024-08-26
Changes: Minor font size adjustments for narrow landscape layouts.
Scientific Calculator version 8.0.1
Updated At: 2024-06-30
Changes: - Updated to cleaner, more legible fonts based on all your feedback.
- Clearing the screen (CLS) in algebraic modes, now only clears your on-screen visible history.
- Fullscreen options are now available per orientation.
- The Office theme has been fully re-imagined. Many other theme assets have been updated or refreshed.
- Trig functions now obey the angle unit (DRG) when the result is complex.
- Updated constants to the 2022 CODATA values.
- Theme selection now includes ad for the (Plus) app.
Scientific Calculator version 7.1.0
Updated At: 2024-05-02
Changes: - Improved overall error handling.
- Added specific error types including undefined, infinite, etc.
- Equation errors are now highlighted in various ways depending on their type.
- Other minor improvements and fixes.
Scientific Calculator version 7.0.1
Updated At: 2023-09-02
Changes: Android's best all-around calculator just got better! Equations can now be edited, and results are calculated in real-time. Plus, lots of other improvements.
Scientific Calculator version 6.7.2
Updated At: 2018-11-05
Changes: Minor Fixes.
Scientific Calculator version 5.5.2
Updated At: 2016-12-25
Changes: Bugfix
Scientific Calculator version 2.0.2
Updated At: 2013-05-27
Changes: Several fixes and updates
Disclaimer
Official Google Play Link
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