One of the most popular alternatives to Qalculate! is SpeedCrunch, which is free and open source. Other popular alternatives are OpenCalc, Soulver, fxSolver and Calculator You. Calculators like Qalculate! are a crowded field, with more than 100 alternatives for Android, Mac, Windows, the web and iPhone.
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 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.
handyCalc is a powerful calculator with automatic suggestion and solving which makes it easier to learn and use.
United States
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.
Germany
EU
HEXelon MAX is a science calculator. It solves math expressions like: Sin(Pi)-Root(-8;3)+3. Exchange rates table and currency converter are update from Internet by one click. Units converter makes easier to convert various units,14 categories of units: length, temperature...
PolandEU
Liri Calculator is a cross-platform, Material Design calculator, currently in alpha stage.
ItalyEU
Calcularium is a Descriptive, Editable, Gesture-Based Calculator (patent pending).
Mi Calculator will do the math for you. Regular, scientific, and mortgage calculators, as well as currency and unit converters are all here in one place.
China
