One Calculator - scientific calculator
Pierfrancesco Soffritti Tools In-app purchases
Calculator, Graphing calculator, Converter and Matrix calculator: all in one app
- Rating
- 4.2
- 4.4K ratings
- Downloads
- 100K+
- on Google Play
- Price
- Free
- In-app purchases
- Updated
- Jul 8
- 2018 · v3.0.22
Screenshots
About One Calculator - scientific calculator
One Calculator key features:
● Scientific calculator, with calculation history and RPN mode
● Graphing calculator
● Unit converter
● Number base converter
● Matrix calculator
● Material Design and ease of use
One Calculator is suitable for solving easy common calculus and more complex mathematical calculations.
Detailed feature list:
● Basic Arithmetic
● Definite integrals
● Trigonometry (sin, cos, tan, arcsin, arccos, arctan)
● Complex numbers
● RPN calculations (Reverse Polish notation/postfix notation)
● Graphs for X,Y equations
● Measurement unit conversion
● Conversion between decimal, hexadecimal, octal and binary
● Matrix calculus
● Intreactive chronology of operations
● Specialized warning of errors
● Support for tablet and smartphone
● Themes
● Scientific calculator, with calculation history and RPN mode
● Graphing calculator
● Unit converter
● Number base converter
● Matrix calculator
● Material Design and ease of use
One Calculator is suitable for solving easy common calculus and more complex mathematical calculations.
Detailed feature list:
● Basic Arithmetic
● Definite integrals
● Trigonometry (sin, cos, tan, arcsin, arccos, arctan)
● Complex numbers
● RPN calculations (Reverse Polish notation/postfix notation)
● Graphs for X,Y equations
● Measurement unit conversion
● Conversion between decimal, hexadecimal, octal and binary
● Matrix calculus
● Intreactive chronology of operations
● Specialized warning of errors
● Support for tablet and smartphone
● Themes
What’s new
Version 3.0.22 · Updated July 8, 2018
- Improved support for new versions of Android. - Fixed bug in the widget, for some pro users it wasn't unlocking properly. If the issue is not solved for you, send me an email please.
User reviews
Very good. Although the grapher is a little clumsy. Add a complex grapher too?
Great
Great calculator, moving from Galaxy s8 to 1+ i was really missing some added functionality of the Samsung calculator like conversions and the simplest thing like moving the cursor into a current operation you are doing. This BY FAR exceed any use case i might have for it! Also to support the developer i had to purc...
Simple
What a difference this calculator makes. It is light-years ahead of others. The search for a complete surgical calculator should logically stop here. Highly recommended
Perfect
Alternatives to One Calculator - scientific calculator
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| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| One Calculator - scientific calculator | 4.2 / 5 | Free | 100,000+ | Jul 8, 2018 | |
| RpnCalc - Rpn Calculator | 4.8 / 5 | Free | 100,000+ | Nov 19, 2022 | Compare |
| Mobi Calculator | 4.7 / 5 | Free | 5,000,000+ | Sep 14, 2026 | Compare |
| CalcTape Calculator with Tape | 4.8 / 5 | Free | 1,000,000+ | Sep 24, 2026 | Compare |
| RealCalc Scientific Calculator | 4.4 / 5 | Free | 10,000,000+ | – | Compare |
| Class Calc Graphing & Statisti | 4.5 / 5 | Free | 50,000+ | Aug 2, 2025 | Compare |