Calc software

Quickly compute hash, checksum, and HMAC values for files, text and hex strings.

An all purpose scientific calculator, designed with programmers in mind.

For publishing Mathematical and Scientific equations.

Chinese Calendar converter and a tool for the study of the Chinese Calendar

Powerful calculator with extended capabilities for students and teachers.

Readfile calculate CRC32, Adler32, MD5 and SHA1. Benchmark CPU and Disk

Includes 57 tools which can be started without installation.

250+ solutions, 6 unique keypads: Std, Engr'g, Binary, Magnetics, Trig, Convert.

Now you can use your mobile phone with any service provider around the world

Convert a MS Excel workbook into good-looking JSP-page and calculating JavaBean

Statistical data analysis software for business, science, marketing, & education

Gain more control over body weight and maintain a healthy lifestyle.

Good-looking calculating ASP-page from Excel. 190 functions. No Excel on server.

These 16 real estate and financial calculators make real estate math easy!

Graphing calculator supporting user functions and Monte Carlo simulations

Java based math course includes problem-solving lessons and tests

Euro conversion tool for Documents, Spreadsheets, Presentations, Databases etc.

The most common and easy-to-use and real-calculator-like desktop calculator

Over 500 million math puzzles in a multimedia game. Has 16 skill levels.

Free and easy biorhythm calculator. Be a winner in any situation!

Mechanical, Industrial and Technical Calculations for many CAD systems

Toto software with full, conditioned and abbreviated wheels.

SnooPR is a software tool to evaluate the PageRank received from a link.

Not from Russia, but you play with falling numbers and improve your math!

Geometric and strength designs of helical compression cylindrical springs