AddsUp - PC function calculator that operates in Windows.
Advanced Converter - Program for conversion between units of measurements.
Analysis, a Tool Dedicated to Calculus - Analysis is a tool that can draw 2D and 3D graphs of functions with different characteristics. Implicit f(x,y)=g(x,y)form curves are plot in a xy plane. Free download for all Windows versions
Archimede - A powerful calculator for Linux. Algebric, RPN, vectors, matrices, quaternions, System, equations, complex numbers, solution of triangles, measure conversion. License GPL.
BAC Computer Software - Calculator that performs the basic arithmetic operations on fractions and then at the press of a button gives you a detailed explanation of how the computation was done.
Calculator Directory - Extensive variety of software calculators collected in one directory. Scientific, graphing, loan and mortgage, currency and conversion calculators.
Calculator Express Math Formulas - Includes arithmetic, mortgage and currency exchange processing features. Uses a dialog box and icons for input.
Calculator.org - Calculator resources including free download of scientific engineering, statistical, and financial calculators.
Calculators by Ken - Reference programs written in VB3. Includes common mathematical formulas.
Date Calculator - Perform date math, calculate date differences, and organize data and events.
5000 digit calculator - A calculator that takes calculations out to many, many digits
DreamCalc Pro - Photo-realistic scientific and financial calculator for Windows. Free trial download.
Easy Date Converter - Adds a number of days to a date, calculates the number of days between two dates, and converts among Gregorian dates, Julian dates, Julian day numbers and ordinal dates of the form yyyyddd. Supports batch computation.
EngCalc Calculator - Calculate and evaluate expressions even by copying and pasting expressions from other applications. It can also read txt (Text) or .doc files automatically line by line.
GCalc -- Java Mathematical Graphing System - Free online graphing calculator for education use with 2d, 3d, cartesian, polar, calculus, differential equations, scientific, implicit function components.
gNumerator - A interactive computer math system that uses standard JavaScript as the scripting language, and a collection of re-usable math oriented components such as a complete MathML DOM implementation, and a MathML viewing / editing control.
GoldfishSoft - Free software for the Macintosh. FrakKalk, the newest GoldfishSoft Program, is a fraction calculator for Mac OS X.
Haxial Calculator - High precision calculator with unit and radix converters.
HiDigit - Powerful calculator for students and teachers. Five number systems, full complex numbers support, and 15-digit maximum precision.
High Precision JavaScript Calculator - A JavaScript Calculator that adds, subtracts and multiplies fairly large numbers. Functions are added in my copious free time.
iFigure - Guide to online calculators, including those designed for home, travel, finance, health, and small business.
Jason's Calculator - Open source calculator application for the Windows platform.
Jason's Calculator - The homepage for an easy to use multipurpose shareware calculator.
Linear Algebra Calculator - mcalcdos is a free command line linear algebra calculator capable of matrix, vector and polynomial operations in real and complex fields.
Matrix Calculator - Calculator for basic matrix operations. A demo version download is available.
Monachos Calculators - Online calculators with variety of engineering functions, including unit conversion, periodic table, piping applications, and electrical applications.
Multi-Function Calculator - Multi-function shareware calculator, and unit conversion utility for Windows. Four modes of operation: statistics, trigonomety, base-n, and unit conversion.
My Ten Key - A realistic ten key calculator designed by a CPA.
Online Calculators - A collection of everyday use calculators and converters written in Javascript and PHP, available to use and download.
Online Matrix Calculator - Calculates matrix determinant and inverse. Performs LU, Cholesky, QR, SVD decompositions. Calculates eigenvalues and eigenvectors.
PAPCW - Programmable arbitrary precision RPN calculator. Zip file, download will start immediately.
PG Calculator - A scientific calculator with full customizable user interface. Aalgebraic and RPN mode. Windows; shareware trial version.
Pocket 16C Calculator - HP-16C emulator calculator for Pocket PC, by Pirrama Development. Free trial download.
Pocket Calculator - Online calculator, written in Java. Includes Square root button and number memory. Source code can be downloaded.
PractiCalc Windows Calculator - PractiCalc is a calculator and conversion tool for all 32 bit windows platforms. It provides result of calculations they are typed.
RPN Calculator - This Windows programs emulates a fully programmable HP29C RPN calculator that has been augmented with linear curve fit and graphing capability. It was written to serve as a fun introduction to computer programming.
sCal and sCal2 - Small, open source (free), scientific and engineering, JavaScript-programmable calculators.
Scientific calculator with graphing capabilities - Fornux Calculator is a scientific calculator for Windows that can plot functions and diagrams with many mathematical functions for statistics and algebra.
ScriptConsole - Mathematical calculations using scripts and commands in a console-based multiple-window interface using the Microsoft VBScript engine. Windows; shareware.
Speakeasy - A user-oriented software package that allows non-programmers the opportunity to explore the computational power of their computer. Free trial download.
Unit Conversion Tool - Convert between 2200 units in 78 measurement categories. Includes units for length, mass, temperature, volume, area, speed, pressure, energy, power, force, fuel consumption, flow and torque.
UnitMath - Simplifies calculations involving numbers, units, and precision.
X-Bc - a GUI to bc - X-Bc is desktop calculator that provides lots of functionality for scientific working. Input and output stay visble at all time for correction and comparation. It's a frontend to bc.
