Easy to use digital circuit simulator For the budding digital designer, LogicSim is a bag chock full of virtual Legos. LogicSim gives you all the basic components to build anything from a simple adding machine to a full-fledged (if somewhat...

Graph functions in two, three, and four dimensions, explicit, implicit, or parametric. Graph inequalities, contour plots, density plots and vector fields. Use rectangular, polar, cylindrical, or spherical coordinates. Solve equations numerically,...

Cricket Software has established a solid position in academic circles and industry with an excellent statistical program called StatWorks. Cricket now seems poised for a strong assault on the general business market with Cricket Graph, a...

A legacy astronomy application packed with information on what the sky at night will look like (without any clouds) from anywhere in the world on any date (within reason). "You can witness a total eclipse from the moon, watch the sun from the...

Mathematica is the most impressive single science/engineering application available for the Macintosh. While many of its capabilities, such as equation-solving, symbolic math, and graphing, are available in other applications, no other program...

Interactive Physics is a complete motion lab on the computer. With IP you can create experiments by drawing objects on the screen. IP brings these experiments to life with stunning animation. The number of experiments that you can perform is limited...

xLogicCircuits is a basic visual logic circuit drawing tool and ON/OFF state tester.  As its name implies, xLogicCircuits does not account for resistors, voltage or amperage of an electrical circuit, but rather only accounts for logic gates,...

A QuickDraw demonstration that draws a tree using a recursive algorithm

If your study or research involves preparation of circular plasmid maps, MacPlasmap may be the tool for you. It draws, stores, and prints high-quality circular plasmid maps with the data you specify. As a molecular biologist and a Macintosh user,...

Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope.  - (Stellarium.org)

MathPad is a general purpose graphing scientific calculator for the Macintosh. It uses text worksheets rather than simulating buttons on a hand held calculator. This live scratchpad interface allows you to see and edit your entire calculation....

It covers entire process of development of human life, from sperm and egg production, to the actual birth of a baby. Programa multimedial que muestra el proceso completo de desarrollo de la vida humana, desde la producción de...

MathPad is a general purpose graphing scientific calculator. It uses a text window rather than simulating buttons on a hand held calculator. This live scratchpad interface allows you to see and edit your entire calculation.