

Chalk is described as 'Calculator that tries to do right what others do wrong. It wants to prove that a "basic" software calculator can be as handy as a real desktop calculator' and is an app. There are more than 25 alternatives to Chalk for a variety of platforms, including Windows, Linux, Mac, Android and iPhone apps. The best Chalk alternative is SpeedCrunch, which is both free and Open Source. Other great apps like Chalk are Numi, GeoGebra Scientific Calculator, Windows Calculator and GNOME Calculator.


Do you really need your calculator's on-screen number pad? (You know, the virtual keyboard?)




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.


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...



Free scientific calculator which saves you time and frustration by providing unique easy to use tools.




CrossCalc is day to day Scientific Calculator that can be used on all your devices. It respects your privacy and does not show any ads.




Console Calculator is a powerful calculator with a simple console interface. This calculator supports many built-in mathematical functions, remembers recent entries, supports creation of user defined variables and custom functions.



Multi Sum Calculator is a portable tool that calculates the sum of multiple values!




XCALC is my little RPN calculator completely free to use, and still downloadable. XCALC is now a DEAD project. No work has been done on this project since 2012, and nothing more will be done either.

Moffsoft FreeCalc is the ideal replacement for your standard Windows calculator - with adjustable size, visible memory value and digit groupings, this free calculator software is a simple and intuitive tool.




ECW Expression Calculator is an advanced expression calculator with the following features:



Calculator Plus is a nice addition to hundreds of Calculator apps but with unique idea and innovative and user friendly designed buttons.


