Calcul.io offers realtime calculator with notepad like interface and advanced features like unit conversions, currency rates or date time math.

PCalc is described as 'The powerful choice for scientists, engineers, students, programmers, or indeed anybody looking for a feature rich calculator. It includes an optional RPN mode and multi-line display, a choice of button layouts, an extensive set of unit conversions and constants, a' and is a Calculator in the education & reference category. There are more than 100 alternatives to PCalc for a variety of platforms, including Android, Windows, Web-based, iPhone and Mac apps. The best PCalc alternative is Wolfram Alpha, which is free. Other great apps like PCalc are SpeedCrunch, Fossify Calculator, Qalculate! and OpenCalc.
Calcul.io offers realtime calculator with notepad like interface and advanced features like unit conversions, currency rates or date time math.

The Unsure Calculator is an online tool that lets you calculate with numbers you’re not sure about.

Three-tabbed calculator for decimal, hexadecimal and binary for iOS built in Swift with Xcode. Provides numerous operations and seamless conversion between the three tabs.




Calculator with percentages, powers and functions. History with comments that is synced across all your devices. Cursor for editing anywhere. Simple interface with dark and light themes.




A Simple but elegant Calculator app made with Flutter using Google's Material Design with Currency (Exchange Rate) and Unit Converter.





With MyScript Calculator, perform mathematical operations naturally using your handwriting.




Calculator is a basic calculator application made by Apple Inc. and bundled with its macOS, iOS, and watchOS operating systems. It has three modes: basic, scientific, and programmer. The basic mode includes a number pad, buttons for adding, subtracting, multiplying, and...




handyCalc is a powerful calculator with automatic suggestion and solving which makes it easier to learn and use.




CalcTape is a revolutionary new kind of pocket calculator. With CalcTape, also extensive calculations remain clearly structured. CalcTape makes the arithmetic process visible - you can generate intermediate results and subsequently correct or change all numbers and operations.




A simple calculator and unit converter app with Material Design 3 inspired by Windows Calculator.



A kickass, open-source calculator that lets you do calculations and unit conversions naturally, with features like:
