Mental Arithmetic

The IntegerZone is a java applet which can be used to learn about arithmetic and number theory. TenBlocks is a java applet which turns each multiplication times table into a simple geometrical puzzle. It is suitable for ages 5 to 8. Create a directory that you wish to install the applets in, for... Platforms: Windows

The giantint package consists of a library of routines for large integer arithmetic and number theory. PSI plans to augment this free software release in future, with other topical folders. Platforms: Windows

StatsEasy Starter applet allows computing of Range, Median, Arithmetic, Geometric, and Harmonic means. Mean Deviation, Standard Deviation, Variance, Coefficient of Variance, Moments and Moments ratios for ungrouped data. If you have knowledge of basic to intermediate statistics this applet should... Platforms: Any Browser + Java

The IntegerZone is a java applet which can be used to learn about arithmetic and number theory. TenBlocks is a java applet which turns each multiplication times table into a simple geometrical puzzle. It is suitable for ages 5 to 8. Create a directory that you wish to install the applets in, for... Platforms: Windows

Brain Tease is a fun and addictive game that works to train your brain and improve mental agility each time. The concept and mechanics are the following:Firstly nine cells appear on-screen, with diverse text in colours. The user has to click on "Start Normal" and read the texts aloud as fast as... Platforms: Windows

Navegate the Amazon river in a fantastic adventure of puzzles and challenges for your intelligence! Amazon Quest collects the classic concept of joining equal pieces to make them disappear, renews it and puts it together with some personal touches, offering you an arcade game of mental ability... Platforms: Windows

Train Your Brain 1.1.2.17 helps you exercise your memory through examples and action that stimulate your mental resources.Through different exercises the program will give you information on your progress with graphs showing your learning level. Platforms: Windows

Reken Test is a didactic software aimed at users of between 8 and 12 years old, although students and adults who need to practise and develop their arithmetic and mathematic capabilities can use it too.Reken Test is highly personalizable, it lets you create your own progress lessons (following... Platforms: Windows

A puzzle where you delve into a mathematical maze for answers to simple arithmetic equations. You must navigate the underground maze using numbers as clues while digging a tunnel for your math worm to get home. Mark the tunnel by completing adjacent arithmetic equations. Ideal for mathematical... Platforms: Windows

Free multilingual test authoring mathematics software enables math teachers and tutors to easily prepare math tests, quizzes and homeworks from a repository of more than 500 of solved math problems in arithmetic, pre-algebra, algebra, trigonometry and hyperbolic trigonometry, and develop numerous... Platforms: Windows

Household Calculator is a general purpose ergonomic calculator which combines use simplicity and calculation power. Household Calculator handles main arithmetic operations with two operands, addition, subtraction, multiplication, division, and complex formulas with unlimited number of operations... Platforms: Windows

SVL library provides vector and matrix classes, as well as a number of functions for performing vector arithmetic with them. Equation-like syntax is supported via class operators, for example: #include "svl/SVL.h" Vec3 v(1.0, 2.0, 3.0); Mat3 m(1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0);... Platforms: *nix

Math::NoCarry is a Perl extension for no carry arithmetic. SYNOPSIS use Math::NoCarry; my $sum = Math::NoCarry::add( 123, 456 ); my $difference = Math::NoCarry::subtract( 123, 456 ); my $product = Math::NoCarry::multiply( 123, 456 ); No carry arithmetic doesnt allow you to carry... Platforms: *nix

py_ecc is an implementation of Reed-Solomon codes, which are used for erasure correction, and a collection of routines for finite field arithmetic and generic matrix operations. Erasure correcting codes let you divide information, such as a file or a packet, into n pieces, of which k are... Platforms: *nix

HPL is a software package that solves a (random) dense linear system in double precision (64 bits) arithmetic on distributed-memory computers. It can thus be regarded as a portable as well as freely available implementation of the High Performance Computing Linpack Benchmark. The algorithm used... Platforms: *nix

Libeval provides simple means of evaluating simple arithmetic expressions involving literal numeric values, variables and functions using the addition (+), subtraction (-), multiplication (*), division (/), modulo division (), exponentiation (^), sign (+-), percentag (%) and grouping (())... Platforms: *nix

Gcalctool is the default GNOME desktop calculator. Gcalctool has Basic, Financial and Scientific modes. Internally it uses multiple precision arithmetic to produce results to a high degree of accuracy. Calctool is a desktop calculator. It has been designed to be used with either the mouse or... Platforms: *nix

Ten Twenty Thirty is a simple "mental math" adding game played against the computer. The student selects three numbers from a set of nine. The chosen three must sum to ten, twenty, or thirty. That sum is added to the student's score. Then the computer gets its turn. The program includes a tougher... Platforms: Mac

GridX is a mental math game. The object is to fill in numbered squares on the grid, before the time limit runs out. The time limit can be adjusted, and can be set for either a single round (count down the time for one square on the grid), or for the entire game (where you must fill in all the... Platforms: Mac

Scientists, engineers, students, and others are programming with Omikron Basic since 1985. Read about the benefits of this easy to learn programming language.Omikron Basic was originally developed in the 80s to be used on ATARI computers. After that, it was mainly used by scientists and engineers... Platforms: Mac