GlassCalc is a free, Windows calculator designed for quick input via keyboard. It forgoes the usual array of buttons for a single textbox where you can type an equation or mathematical expression, hit Enter, and get a result.




Kalk Calculator is described as 'Kalk is a convergent calculator application built with the Kirigami framework. Although it is mainly targeted for mobile Linux platforms, it can also be used on the desktop' and is a Calculator in the education & reference category. There are more than 100 alternatives to Kalk Calculator for a variety of platforms, including Android, Windows, Web-based, Mac and iPhone apps. The best Kalk Calculator alternative is SpeedCrunch, which is both free and Open Source. Other great apps like Kalk Calculator are Fossify Calculator, Qalculate!, OpenCalc and yetCalc.
GlassCalc is a free, Windows calculator designed for quick input via keyboard. It forgoes the usual array of buttons for a single textbox where you can type an equation or mathematical expression, hit Enter, and get a result.




Liri Calculator is a cross-platform, Material Design calculator, currently in alpha stage.


worksheets or practice exercises, calculators & answer sheets to engage the grade school students to learn, practice, test & verify the answers themselves to measure the progress of their own

RJ Calculator is a scientific calculator with most basic functions like trigonometric functions, logarithms and base conversion. Also, statistic calculations like standard deviation and regression.

The new VAT calculator was established to calculate the Value Added Tax on invoices or receipts, while also providing guides on VAT rates, the Flat Rate Scheme and help-pages. Any business or individual can also access our handy calculator where the VAT rate can be changed.

Ad-free calculator offering basic and scientific computations, including exponents, roots, fractions, and more, with intuitive single-line input, up to 10 decimal precision, viewable and editable calculation history, customizable color themes, and no paid features.




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.




FP Calculator is a calculator app for iPad&iPhone, which includes basic calculations, scientific calculations, and currency conversion functions.




It's a cloned version of the Apple calculator with Jetpack Compose, but with more attractive graphics, history for calculations, and dark and light theme support.



Plus42 is an advanced scientific programmable calculator, based on Free42. Free42, in turn, is a complete re-implementation of the HP-42S scientific programmable RPN calculator, which was made from 1988 until 1995 by Hewlett-Packard.



Online free calculators, math calculators, finance calculators, and many other useful calculators, with the steps of the calculation.
