Science & Education

Interactive Web 2.0 periodic table with dynamic layouts showing names, electrons, oxidation, isotopes, search.

Allows you to check your grammar, spelling, and writing style.

Scientific computations in your browser.

Explore and play with a digital organism.

Interactively create geologic block models by adding simple structural features.

A scientific calculator with easy-to-use interface. It combines many powerful features.

A text-checking application specifically designed for dyslexia and other writing difficulties.

It contains definitions, synonyms, antonyms and translations in more than twenty languages.

Make your own graph paper.

Test your vocabulary and typing skills in this fast-paced word game.