Maths Arithmetic Progression

Guitar and bass is a FREE software for fretted instruments, such as Guitar, Bass, Banjo, and Mandolin. (New instruments and tunings can be added too). You'll get everything a musician need, including: Scale/chords/intervals references and exercises. A Tablature viewer and editor. Ear training... Platforms: Windows, Windows 8, Windows 7, Windows Server

Calcul will help your elementary school students practice mental arithmetic or do fractions. Choose addition, subtraction, multiplication, division or fractions; then set the range of numbers and the number of calculations for an exercise. The program shows you two numbers or fractions... Platforms: Windows

The MPFR library is a C library for multiple-precision floating-point computations with exact rounding (also called correct rounding). It is based on the GMP multiple-precision library. The main goal of MPFR is to provide a library for multiple-precision floating-point computation which is both... Platforms: *nix

arxiv.org is THE preprint server for scientists in (mostly) physics, maths etc. This widget fetches the titles of the latest articles submitted. You can read the abstract directly in the widget. You also have direct link to the pdf or postscript version of the article. There is also a link to the... Platforms: Mac

ipac is an IP accounting package for Linux.It collects, summarizes, and nicely displays IP accounting data. The output of ipac can be a simple ASCII table, an ASCII graph, or even images with graphs showing traffic progression. ipac is made of two scripts (shell and perl) and one C program: -... Platforms: *nix

g95 projects goal is to create a free, open source Fortran 95 compiler. The code has been donated to the Free Software Foundation for inclusion in GCC, the Gnu Compiler Collection. G95 is still in a beta state. G95 can compile most fortran 90/95 programs just fine on a wide variety of... Platforms: *nix

Gnofract 4D is a free, open source program which allows anyone to create beautiful images called fractals. The images are automatically created by the computer based on mathematical principles. These include the Mandelbrot and Julia sets and many more. You don't need to do any math: you can... Platforms: *nix

Armadillo is a C++ linear algebra library (matrix maths) aiming towards a good balance between speed and ease of use. Integer, floating point and complex numbers are supported, as well as a subset of trigonometric and statistics functions. Various matrix decompositions are provided through... Platforms: Mac

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

Real-Time Proactive Secret Sharing Library is an implementation of the Shamirs secret sharing scheme and Herzbergs proactive secret sharing algorithm. Real-Time Proactive Secret Sharing Library targets the RTAI OS. It includes a port of GNU GMP to RTAI, which is used for multiple precision... Platforms: *nix

Dirac is a video codec that provides general-purpose video compression and decompression tools comparable with state-of-the-art systems. Dirac video codec is available for distribution under the MPL version 1.1 software license. Dirac is an open source video codec. It uses a traditional... Platforms: *nix

Kitsune is a fun game where you have to solve all types of maths operations with numbers, similar to the TV program "Letters and Numbers." Kitsune shows you various digits at random, and your aim is to get a final figure via the four main operations of add, subtract, multiply and divide, before... Platforms: Windows

GNU m4 is an implementation of the traditional Unix macro processor. GNU m4 is mostly SVR4 compatible although it has some extensions (for example, handling more than 9 positional parameters to macros). GNU m4 also has built-in functions for including files, running shell commands, doing... 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

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

Prey tells the story of Tommy, a Cherokee garage mechanic stuck on a reservation going nowhere. His life changes when an otherworldly crisis forces him to awaken spiritual powers from his long-forgotten birthright. Abducted along with his people to a menacing mothership orbiting Earth, he sets... Platforms: *nix

PDP-8/E Simulator is an emulator for the DEC PDP-8/E minicomputer running on the Apple Macintosh. The simulated machine is a PDP-8/E with 4K words of memory and optionally a KM8-E Memory Extension (with up to 32K words of memory) and a KE8-E Extended Arithmetic Element. I/O devices are... Platforms: Mac

CCCalc is a convenient replacement for desktop calculator. Features: - performs four basic arithmetic operations, percent allowed - allows to browse through calculations history and correct anything at any moment - works with numbers without limitations on precision - rounds-up... Platforms: Windows

P2P file exchange program. Uses various file tabs: "home" is the principle program, presenting you with any information about the program in general; "search" is the file searcher, adding you to various queues; "downloads" is where you can see all download information, sources, and various... Platforms: Windows

NPI is a simple calculator that supports Reverse Polish Notation, devised by Jan Lukasiewicz in the Twenties to allow evaluation of mathematical expressions without brackets. NPI calculator supports completion and command history. In the Twenties, Jan Lukasiewicz developed a system of formal... Platforms: *nix