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.



NumWorks Graphing Calculator is described as 'NumWorks designed an intuitive and evolutive graphing calculator to make learning maths easier' and is a Calculator in the education & reference category. There are more than 100 alternatives to NumWorks Graphing Calculator for a variety of platforms, including Android, Windows, iPhone, Mac and Web-based apps. The best NumWorks Graphing Calculator alternative is Wolfram Alpha, which is free. Other great apps like NumWorks Graphing Calculator are SpeedCrunch, Fossify Calculator, Qalculate! and OpenCalc.
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.



With Grapher, you can graph equations and data sets and visualize the results on your Mac in real time. Grapher displays algebraic relations, both implicit and explicit, in 2D and 3D. You can use a variety of coordinate systems and choose from a wide array of mathematical...

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.

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.




Numby transforms how you calculate. Express math naturally, convert units and currencies, track your work, and share results beautifully - all in one place.




Hissab is a simple and intuitive calculator, unit-convertor and productivity application.








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.




Introducing Best Loan Calculator, using methods trusted by financial professionals for years. It’s as easy to use as a regular calculator and helps with auto loans, mortgages, and other financing.




A text calculator for natural language expressions, variables & unit conversions, with a vim-style TUI. Inspired by Numi.





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.



