AstroGrav (Windows) 1.2.3

AstroGrav is a software program that allows you to study how astronomical objects move and interact under the force of gravity. It features superb interactive 3D graphics which allow you to move around within an astronomical system that you are viewing, while watching how it evolves with the passage of time.

See also: AstroGrav, interactive, educational, software, program, Mac, Windows, helps, teachers, students, math, physics, astronomy, understand, Newton's, Law, Universal, Gravitation, visualize, gravity, orbit, astronomical, systems

Chinese Calendrics 6.89

A program to convert between dates in various Chinese calendars and dates in the Gregorian and Julian calendars, and to find lunar new year's day and leap months for any year in the Chinese Calendar. Can list anniversaries of Chinese lunar dates such as birthdays. Supports 60-year, 60-month and 60-day cycles, includes Chinese names, and allows searching for dates and times of full moons, dark moons, solar terms, equinoxes, solstices and more.

See also: chinese, calendar, date, year, astronomy, software, moon, calendrics, lunar, solar, term, julian, dark, solstice, times, month, gregorian, cycles, leap, equinoxes, equinox, delta t, calculation, converter, astronomical, calculator, phase, zhong qi, solar

AstroGrav (Mac) 1.2.3

AstroGrav is a software program that allows you to study how astronomical objects move and interact under the force of gravity. It features superb interactive 3D graphics which allow you to move around within an astronomical system that you are viewing, while watching how it evolves with the passage of time.

See also: AstroGrav, interactive, educational, software, program, Mac, Windows, helps, teachers, students, math, physics, astronomy, understand, Newton's, Law, Universal, Gravitation, visualize, gravity, orbit, astronomical, systems