SpeQ is a small, extensive mathematics program with a simple, intuitive interface. All calculations are entered in a sheet. In there you can freely add, edit and execute all calculations. You can define variables and functions, and plot graphs of your functions. You can save your calculations for later re-use.

OriginLab produces professional graphing and data analysis software for scientists and engineers. Our products are designed to be easy-to-use, yet have the power and versatility to provide for the most demanding user.

QuickMath allows students to get instant solutions to all kinds of math problems, from algebra and equation solving right through to calculus and matrices.

Sonar transducers,ultrasonic sensors, and electroacoustic products designed designed for industrial, military and commercial sensing applications. Massa Products, a technology leader and innovator, has been providing sound solutions for your air and underwater sensing needs for over 55 years.

MathWorks is the world’s leading developer of technical computing software for engineers and scientists in industry, government, and education