Calcbot is a simple and beautifully designed calculator for your iPhone, iPod touch and iPad. You’ll never open the built-in Calculator app again.



GlassCalc is described as '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' and is a Calculator in the education & reference category. There are more than 50 alternatives to GlassCalc for a variety of platforms, including Windows, Android, iPhone, Mac and iPad apps. The best GlassCalc alternative is SpeedCrunch, which is both free and Open Source. Other great apps like GlassCalc are Qalculate!, GeoGebra Scientific Calculator, Soulver and Google Calculator.
Calcbot is a simple and beautifully designed calculator for your iPhone, iPod touch and iPad. You’ll never open the built-in Calculator app again.



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.

OpalCalc is a brand new type of calculator for the PC. As easy to use as Notepad or a word processor, OpalCalc allows natural language in the sum and multi-line support so you can go back and adjust your previous calculations on the fly.




As a kid, I loved playing with a calculator. Whether a calculator watch or a TI-89, it offered an intoxicating command over impossibly large numbers and could be hacked to share messages with friends. Somewhere along the way, the calculator became another boring tool.




NumWorks designed an intuitive and evolutive graphing calculator to make learning maths easier.




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.





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.






KAlgebra is a mathematical graph calculator included in the KDE education package. While it is based on the MathML content markup language, knowledge of MathML is not required for use. The calculator includes numerical, logical, symbolic, and analytical functions, and can plot...



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.

