Science & Education

Recreates the main features of a real planetarium.

Educational computer games and apps for kids.

Offers free graphing, scientific, 3d, and geometry calculators used globally.

Generate documents filled with arithmetics operations to be solved by your childrens.

Explore the 22 official Indian languages.

A 3D simulation of the Solar System and night sky in real-time.

A comprehensive set of tools for everyone interested in the observation of astronomical objects and events.

A professional high-frequency (3-30 MHz) propagation prediction software from NTIA/ITS.

It shows a realistic star map, just like what you see with the naked eye, binoculars or a telescope.

Find spelling and grammar errors, typos, and get suggestions on improving your copy.

Analyze your text, find common spelling errors and grammatical mistakes and provide information about errors.

Explore the universe, take guided tours of the sky by astronomers and educators from famous observatories ...

Convert between decimal and binary numbers.

It provides automated translation to and from the major European languages.

A free online dictionary, which provided by Russian software company ABBYY.

Allows users to convert temperature, volume, distance, digital information, weight, area, speed and time.

Run desktop applications on nearly any device with a modern web browser.

A program for quickly estimating the environmental consequences of a comet or asteroid impact on Earth.

Analyze your text, find common spelling errors and grammatical mistakes and provide information about errors.

Instantly translate text and web pages between many languages.