SpeedCrunch
SpeedCrunch is a free, fast, high precision open source algebraic calculator with an intuitive interface and a extensive list of features, including: Unlimited Variables, Syntax Highlighting, Functions, with...
Calculator is a simple 4 function calculator, with a panel that has more advanced functions when you need them. It includes history, real time graphing, base conversion...
calculator is a simple 4 function calculator, with a panel that has more advanced functions when you need them. it includes history, real time graphing, base conversion, and more. it also comes with a lockscreen widget, a floating calculator, and a wear app so you can use whichever is most convenient. the goal is a simple and uncluttered calculator.
features:
basic arithmetic (+, , *, /) trigonometry (sin, cos, tan, arcsin, arccos, arctan) complex numbers (5+7i) graphs functions (y=x^2) hexadecimal and binary support (1a+e) animated history (long press to copy) tablet, smartphone, and wear supported completely open source!
Productivity Business and Commerce
calculator scientific-calculator calculate calculation calculator-app
SpeedCrunch is a free, fast, high precision open source algebraic calculator with an intuitive interface and a extensive list of features, including: Unlimited Variables, Syntax Highlighting, Functions, with...
Free Open Source Mac OS X Windows Linux
Calculator provides simple and advanced mathematical functions in a beautifully designed app.
Free Android Android Tablet Chrome OS Web Android Wear
Qalculate! is a multi-purpose desktop calculator for GNU/Linux and Windows. It is small and simple to use but with much power and versatility underneath.
Free Open Source Windows Linux Xfce
RealCalc Scientific Calculator Android's #1 Scientific Calculator. A fully featured scientific calculator which looks and operates like the real thing.
Freemium Android
Windows Calculator, commonly known as Calculator from the application's title bar, is a calculation application included in all versions of the Microsoft Windows operating system.
Free Windows
The built in Calculator on the iPhone. Calculator is two calculators in one: rotate it to landscape to transform it from basic to scientific.
Free iPhone iPad
SpeQ is a small, extensive mathematics program with a simple, intuitive interface. All calculations are entered in a sheet. In there you can freely add, edit and execute calculations.
Free Windows
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.
Free Windows
galculator is a GTK 2 / GTK 3 based calculator with ordinary notation/reverse Polish notation (RPN), a formula entry mode, different number bases (DEC, HEX, OCT, BIN) and different units of angular measure (DEG, RAD, GRAD).
Free Open Source Linux BSD Xfce
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.
Commercial Mac OS X Windows
Calculator for the GNOME Desktop Environment, formerly known as gcalc (and gcalctool CLI).
Free Open Source Linux GNOME