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...
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.
Qalculate! is a multipurpose desktop calculator for GNU/Linux and Windows. It is small and simple to use but with much power and versatility underneath. Features include customizable functions, units, arbitrary precision, plotting, and a userfriendly interface (KDE or GTK+).
Persistent History Exchange rates Variables Equation solving Fractions
Productivity Business and Commerce Education and Reference
xfce calculator plot algebra equation-solving persistent-history currency exchange-rates variables formula fractions
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
Microsoft Mathematics is a desktop graphing calculator that can help you visualize and see mathematical concepts as you’ve never seen them before. Microsoft Mathematics includes ink handwriting support to recognize hand-written problems.
Free Windows
RealCalc Scientific Calculator Android's #1 Scientific Calculator. A fully featured scientific calculator which looks and operates like the real thing.
Freemium Android
Numeric Notes – is not just a totally new way to count, but also possibility to keep and share calculations on your Mac. Individual notes for home calculations, work and shopping.
Commercial Mac OS X
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
A multipurpose calculator app with slick and intuitive user interface. Access additional features from the main screen of the app using gestures. It has a big variety of built-in functions and supports adding new user-defined functions.
Free Open Source Android Android Tablet