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

Multi Sum Calculator is described as 'Portable tool that calculates the sum of multiple values!' and is a Calculator in the education & reference category. There are more than 100 alternatives to Multi Sum Calculator for a variety of platforms, including Android, Windows, iPhone, Web-based and Mac apps. The best Multi Sum Calculator alternative is Wolfram Alpha, which is free. Other great apps like Multi Sum Calculator are SpeedCrunch, Fossify Calculator, OpenCalc and Calc You.
The Unsure Calculator is an online tool that lets you calculate with numbers you’re not sure about.

A calculator with syntax highlighting that supports user-defined variables and functions, math-like syntax, and some more advanced operations such as derivation and integration (estimate), and complex numbers.



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.




GraphCalc is an all-in-one solution to everything from everyday arithmetic to statistical analysis, from betas to Booleans, from cubes to calculus, from decimals to derivatives. GraphCalc combines all the features of a professional mathematics package with the simplicity of an...


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




Giac/Xcas is a free computer algebra system for Windows, Mac OS X and Linux/Unix (license GPL3, for commercial dual-license contact us).

A graphical scientific calculator that is easy to use and has some advanced functionality such as vector arithmetic and variable solving.




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




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:
