Displays the current time around the world, local sunrise, local sunset, latitude and longitude lines, and the sun's azimuth and elevation. With an updated map of the Earth showing the sun's position. http://home.att.net/~geoclock/
An electronic processing of the Periodic Table. List of chemical elements and their properties, searching and testing software. Many useful functions which paper table doesn't have. http://www.tabulka.cz/english/
Program can be used for study purposes by students and for mathematical calculations by engineers, natural scientists and mathematicians. It covers linear algebra, linear programming, transport optimization and rational functions. http://people.freenet.de/hebausch/ingmathe.html
AC circuit analysis program designed for anyone interested in electronics. The software is easy to use and will handle circuits with up to 90 nodes and 1000 components. High resolution graphs can be viewed or printed. http://www.cdquickcache.com/pcecap.htm
Fun educational math game for children ages 4 to 12, that teaches addition and subtraction. From Apogee Software, Ltd. http://www.apogee1.com/math/index.html
Program of trigonometry that will solve for the sides, angles and areas of a triangle. It can identify ambiguous case and impossible situations. By G.C. Blackwell. http://www.foxinternet.net/web2/jblackwell/
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