Calculators

PAST 4.03
Complex application for analyzing scientific data in the form of statistics which draws graphs and plots with an interface similar to other spreadsheet software: Past is free software for scientific data analysis, with functions for data manipulation, plotting, univariate and multivariate statistics, ecological analysis, time series and spatial analysis, morphometrics and stratigraphy.
5.3 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
GeoGebra Portable 6.0.745.0
Free and portable math software that can be used in and out of the classroom for geometry, algebra and calculus: GeoGebra Portable is a very useful mathematics tool for education in secondary schools, which brings together geometry, algebra and calculus.
57.5 MB | For Windows 7, Windows 8 / Vista / XPFree
GeoGebra 6.0.745.0
Free mathematics software with utilities for performing algebra, calculus and geometry which creates different visual flat and 3D graphs: GeoGebra is a useful mathematics tool for education in secondary schools, which brings together geometry, algebra and calculus.
50.8 MB | For Windows 7, Windows 8 / Vista / XPFree
gnuplot 5.4.4
Intuitive graph plotting application that uses statistics and numbers, Latex documents to create 2D and 3D graphs: Gnuplot is a portable command-line driven graphing utility that was originally created to allow scientists and students to visualize mathematical functions and data interactively, but has grown to support many non-interactive uses such as web scripting.
25.3 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
Big Button Calculator 1.0
This is a simple 10-digit display calculator with a large display and large buttons, styled after the big hand held calculators found in stores.
1.94 MB | For Windows 7, Windows 8 / Vista / XP / NTShareware
Mini Calculator 1.4.9.2
Alternative Windows Mini Calculator with 2 views, general functions, Dec-Hex-Oct-Bin integers.
0.43 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
Free42 v3.0.16
Binary and decimal scientific calculators based on the HP-42S with all of the familiar functions, plotting and graphical elements: Free42 is a re-implementation of the HP-42S Scientific Programmable Calculator and HP-82240 Printer.
4.2 MB | For Windows 7, Windows 8 / Vista / XPFree
Qalculate 4.4
Powerful and comprehensive scientific calculator with unit conversion, algebra, plotting, basic arithmetic and calculations: **** Qalculate **** is a multi-purpose cross-platform desktop calculator.
76.5 MB | For Windows 7, Windows 8 / Vista / XPFree
Maxima 5.46.0
Complete algebra application with an easy way to insert functions, work with variables and deal with complex numbers and mathematical formulae: Maxima is a system for the manipulation of symbolic and numerical expressions, including differentiation, integration, Taylor series, Laplace transforms, ordinary differential equations, systems of linear equations, polynomials, sets, lists, vectors, matrices and tensors.
48.7 MB | For Windows 7, Windows 8 / Vista / XPFree
Scilab 6.1.1
An advanced scientific mathematics app that's sophisticated allowing simulation and supports algebra: Scilab was designed to be a scientific software package for numerical computations providing a powerful open computing environment for engineering and scientific applications.
127 MB | For Windows 7, Windows 8 / Vista / XPFree
Advanced Trigonometry Calculator 2.1.3
Advanced Trigonometry Calculator is a small, simple, command prompt application specially designed to help you with your trigonometry calculations.
1.9 MB | For Windows 7, Windows 8 / Vista / XPFree
Microsoft Mathematics 4.0.1108
Microsoft Mathematics is a free calculator tool available from Microsoft which goes above and beyond what the typical Windows calculator can do.
17.6 MB | For Windows 7, Windows 8 / Vista / XPFree
Microsoft Mathematics Review - Download
DreamCalc 5.0.0
DreamCalc is a fully featured Graphing Calculator for Windows.
4.16 MB | For Windows 7, Windows 8 / Vista / XP / NTShareware
AccelWare Unit Conversion Tool 5.1
Convert between units: Conversion made easy with AccelWare.
513 KB | For Shareware
AccelWare Unit Conversion Tool Review - Download
OpalCalc 1.94
OpenCalc is a text-based calculator which unlike spreadsheet programs, uses formulas based on a text write-up which are completely human readable.
0.51 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
OpalCalc Review - Download
DeadLine Equation Calculator 2.36
Equation calculator and school help: DeadLine is a mathematical assistant tool which can help solve complex mathematical equations, plot them in graphs and provide assistance to students who require extra help in algebra and mathematics.
1.39 MB | For Windows 7, Windows 8 / Vista / XP / NTFree
DeadLine Review - Download
RedCrab 8.2.0
Powerful scientific calculator that can create complex mathematical expressions and plot functions in a user-friendly way: RedCrab Calculator is a mathematics software with fullscreen editor for the free placement of algebraic formulas on the worksheet in mathematical notation.
4.7 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
Estimator 1.99.26.57
Estimator is a free program you can create estimations for constructions, print an estimation and a proposal.
7.5 MB | For Windows 7, Windows 8 / Vista / XPFree
AddUp 2
Powerful conversion utility and calculator: AddUP is a multifunction calculator and conversion utility for Windows.
0.36 MB | For Windows 7, Windows 8 / Vista / XP / NTShareware
AddUp Review - Download
Numbaz 9.2.1
Free and simple desktop calculator application which also includes a text-to-speech (TTS) feature with different colors and visual elements: Numbaz is an easy to use basic calculator designed specifically for children to introduce them to the world of mathematics in a fun and exciting way.
2.7 MB | For Windows 7, Windows 8 / Vista / XPFree