- 1st Calculator - Scientific calculator.
- 5000 digit calculator - A calculator that takes calculations out to many, many digits
- AddsUp - AddsUp the new way to calculate.
- Advanced Calculations - Mathematical calculator programs. Advanced Evaluator and Advanced Converter. Windows 9x, ME, NT.
- Akapa Math Calculator - Free software calculator with scrolling tape, financial mode, fractional number (e.g. 1 3/4), and other advanced features.
- 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
- 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.
- Basic Math and Geometry Calculators - Javascript general-purpose calculator and some special-purpose applications.
- Beautiful Calculator - Replacement for the standard Windows calculator with many additional features.
- Big Integer Numbers Calculator - Free download big integer numbers calculator.
- Calculator Express Math Formulas - Includes arithmetic, mortgage and currency exchange processing features. Uses a dialog box and icons for input.
- Calculator.NET - A freeware awarded scientific RPN calculator for Windows with many functions and customizable user interface
- 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.
- Calculators Online Center - Extensive listing of online calculators for mathematics, engineering, statistics, and science.
- Casio Calc - Large variety of educational and recreational resources for the CFX Series Casio Graphics Calculators.
- College Financial Calculator - Online financial calculator that determines NPV, IRR, MIRR, PV, FV and amortization schedules.
- Constructive Reals Calculator - An RPN calculator applet and supporting Java library.
- Date Calculator - Perform date math, calculate date differences, and organize data and events.
- DateCalculator - DateCalculator v3.1.0 by Joesoft
- Easy Date Converter - Conversion program that gives the day of the week for a given date.
- EzeCalc - Calculate chords, right triangles, tapers, regular polygons, vee's, coordinates and form tool correction.
- Fung-Calc - Graphing Calculator - 2D and 3D graphing calculator for Linux with multiple graphing modes.
- Fuzzycrawler Scientific Calculator - Javascript-based online calculator.
- GCalc - Online graphing calculator.
- GoldfishSoft - Free software for the Macintosh. FrakKalk, the newest GoldfishSoft Program, is a fraction calculator for Mac OS X.
- 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 - This site is all about my calculator program Jason's Caclulator.
- Jason's Calculator - The homepage for an easy to use multipurpose shareware calculator.
- Kalculator for KDE 1.0 - Evaluates mathematical expressions. Includes history feature, function-pick window, and help. Variables and hex numbers are also supported.
- Linear Algebra Calculator - mcalcdos is a free command line linear algebra calculator capable of matrix, vector and polynomial operations in real and complex fields.
- Lygea Pocket 15C Scientific Calculator for Pocket PC - HP-15C scientific emulator for Pocket PC.
- Math Expression Calculator - Evaluates mathematical expressions involving multiple variables.
- MathServ Calculus ToolKit - Online calculators for several calculus functions.
- Matrix Calculator - Calculator for basic matrix operations. A demo version download is available.
- Matrix Calculator - Online Java calculator for matrix operations.
- Maximath - Graphing calculator. Includes matrix editor and unit conversions.
- MegPegCalc Equation Calculator - Write complex equations, assign results to variables, execute multiple equations using script files, and simulate fixed word length effects.
- 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 Unit Converter - Online conversions between metric and traditional units of measure.
- PALM OS Calculator - The calculator is being provided in several versions, depending on the tasks to solve.
- PAPCW - Programmable arbitrary precision RPN calculator.
- PG Calculator Web Page - PG Calculator is a full scientific calculator with up to 80 build-in functions. Installation package includes PG Calculator executable file, help file in English, skin editor and 7 additional skins. Skins also are available to download at PG Calculator Web Site.
- Printing Calculator by Auroa Binary Systems - Desktop printing calculator. Prints in columns and color on standard-sized paper.
- Programmable Mathematics Freeware - Calculator and numeric system supporting permanent installation of user defined functions and libraries.
- Quadratic Equation Calculator - Calculator for solving a general quadratic equation.
- 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.
- Scientfic Calculator - Includes arithmetic, square root, exponent, natural log, trigonometry functions. Also, has parenthesis and memory features.
- Scientific Calculator - Javascript calculator with basic scientific functions.
- Scientific Calculator - Javascript scientific calculator using RPN.
- Scientific Calculator - Java applet online calculator.
- SeeThru Calculator - Transparent desktop calculator with conversions, fractions, calendar, and sales tax.
- Showcalc - Calculator with scrolling tape display.
- Sicyon - Online graphing calculator.
- SlideRule - Scientific calculator for Macintosh. Free to download.
- Syscalc - Line-based scientific calculator.
- UnitMath - Simplifies calculations involving numbers, units, and precision.
- URL-Calculator - Web application that evaluates arithmetic expressions embedded in a URL.
- Volume of Partially Full Cylinders, Spheres and Cones - Java applet for partially full cylinder (on side), sphere, and cone.
- VPCalc - Variable-precision floating decimal calculator programmes by Harry Smith.
- Wahoo Software - Financial desktop calculator.
- WebCalc - Collection of free web based calculators for many subject areas.
- WIRIS - JAVA applet that allows mathematical online calculations.
- Wise Calculator Homepage - Scientific and engineering calculator for Windows.
- 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.
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