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.




OpenCalc is described as 'A simple and beautiful calculator for Android' and is a Calculator in the education & reference category. There are more than 50 alternatives to OpenCalc for a variety of platforms, including Android, Windows, iPhone, iPad and Linux apps. The best OpenCalc alternative is SpeedCrunch, which is both free and Open Source. Other great apps like OpenCalc are Fossify Calculator, Qalculate!, yetCalc and Calc You.
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.




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!




ESBCalc is a Freeware Scientific Calculator for Windows with Infix Notation, Brackets, Scientific Functions (Trigonometric, Hyperbolic, Logarithmic - including Base 10, Base 2 & Natural - plus more), Memory, Paper Trail, Result History List and more.

Power calculator for Android. Has Calculus, Algebra, 2D/3D Graphing and other features.



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.

CALCU is a simple, yet beautiful and powerful calculator. Customize the keypad as your need, change theme as your taste, CALCU is the calculator made just for you!
FEATURES



Simple yet very effective calculator with print capabilities and log registration.

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.




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



Free online calculators for finance, health, education & daily life. 17+ tools including loan, BMI, GPA, mortgage & more. No signup needed.

EBTCalc is a Reverse Polish Notation (RPN) calculator that can have custom buttons. Custom buttons are programmed in Javascript with a convenient editor. EBTCalc runs on Windows 10, OSX, and Linux as well as Android. EBTCalc is open source.

