HEATKEYS

A comprehensive calculation website, which aims to provide higher calculation accuracy, ease of use, and fun, contains a wide variety of content such as lunar or nine stars calendar calculation, oblique or area calculation for do-it-yourself, and hig...

Features collections of free to use online javascript calculators for astronomy, geometry, trigonometry, algebra, and many other areas. Also, available is free source code written in C and C++ for PC-DOS and Microsoft Windows, shareware that can be d...

World

Super-ellipse / Lam

MrExcel is your one stop for Excel tips and solutions. MrExcel offers help for excel including seminars and other training.

SpaceBanter space science and astronomy forum. Topics covered include space technology, the space station, space news, policy, history,amateur astronomy, research, SETI, Hubble and more.

Your comprehensive information resource for Toledo Bend Lake (Reservoir) and surrounding areas of Texas and Louisiana - including Sabine National Forest, Hodges Gardens, Sabine County, Newton County, Shelby County, Sabine Parish and the area

View topics about products & services from Weather Underground API Community

Interactive moon sign calendar with moon phase and moon sign calculation, timing with the moon, background information

Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 150 billion archived web pages.