One of the most popular alternatives to Windows Calculator is SpeedCrunch, which is free and open source. Other popular alternatives are Qalculate!, OpenCalc, Calculator You and GeoGebra Scientific Calculator. Calculators like Windows Calculator are a crowded field, with more than 100 alternatives for Windows, Android, Mac, iPhone and the web.
Pocket PC calculator for scientific and engineering purposes. This calculator is very bright and easy to use, supports more than 50 functions. The Engineering Calculator has been nominated as the Best Pocket PC Software by Pocket.at in the EUROPE POCKET PC AWARD 2002.
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United States
A calculator with the basic functions and a customizable widget.
Israel
China
Omni Calculator is a web/mobile calculator that solves concrete problems such as mortgage payment, gross margin, body mass index, break-even point, etc. It's very user-friendly, flexible and usable on web, mobile and as an embeddable web widget.
Poland
EU
Scientific calculator with arbitrary precision and portrait and landscape mode. Fraction and periodic numbers support. Looks like a real calculator! The calculator has up to 100 digits of significand and 9 digits of exponent.
SloveniaEU
Introducing our advanced CalculatorLib app - an indispensable tool that redefines the way you perform calculations on your device. This feature-rich application combines efficiency with user-friendly design, making it your go-to solution for all mathematical needs.
Programmable scientific calculator which has more than 150 mathematical functions and all of them return as many digits as you need. It can calculate with real numbers, complex numbers, fractions, vectors, matrices. Commands if, goto and print can be used to create scripts.
CzechiaEU
Calculator is a simple 4 function calculator, with a panel that has more advanced functions when you need them. It includes history, real time graphing, base conversion, and more. It also comes with a lockscreen widget, a floating calculator, and a wear app so you can use...
Scientific calculator is a calculator app developed to suit student need. They can use the calculator for learning, doing homework’s, and experiment with different math functions provided by the calculator including most of features of fx 991 es plus.
A modern, scientific calculator that is easy to use. While other calculators display only one number at a time, this one shows you the whole expression you are inputting, leading to a much more user friendly experience.
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...
WeCalc is a stylish calculator for daily use. It not only shows the input history, but also can be changed the input numbers, and dragged & dropped to change the position of the input characters, so helpful, especially involves lots of numbers for calculation.
