An app with many autogenerated systems of equations to practice.

Problems and exercises to solve.

And an autosolve program: write your system and get the solution.

Very simple app for your kids wich doesn't have any fancy and complicated features, it's basic just the way kids like it.

Advanced planetarium, that doubles as a PUSHTO guide for telescopes.

A very simple overview of the north and south sky hemisphere map with the Constellation and approximate graphical position of the planets and of The Sun and of The Moon.

Ever heard of a slipstick? Or, more appropriately, a slide rule?! What the heck is that? Before scientists, mathematicians, and engineers had fancy calculators, they had to rely on the slide rule for their rapid number crunching.

Thanks to the AWESOME POWER of logarithmic scales a slide rule gives you several computational features using your very own virtual, mechanical computer.

Slow and Sure: The Story of Paul Hoffman the Young Street-Merchant, a novel by Horatio Alger
Free download in your Android device

Smart Colors is simple and interesting game for the young kids to play & learn colors.

Mobile app support dedicated for students of University of Lodz

An android application about Socionics, the science of human relations.

Solar System Explorer will take you on an interactive 3D trip through our solar system. Featuring more than 35 planets, moons, asteroids and space probes that have visited them, you'll have a chance to see a different side of our little piece of the galaxy!

Space simulator 3D – planets, satellites, stars, comets, orbits, asteroids, etc.

Educational application of the solar system. Images of all the planets of the solar system with information. The planets are shown to scale. The distances between the planets are too wide.

Mars, Jupiter, Neptune, Mercury, Venus, Earth, Saturn, and Uranus.

Season of tree is Emotional Education Game App for Children about Animals and Nature.

Sounds for Kids – is a preschool age kids program which helps to broaden the mental outlook of kinds about the world around or to give them a useful occupation and give parents some free time.

It consists of 5 parts, pressing which the photo, the name and sound of the chosen category of real life are displayed.
Each category has 5 different sounds and photos.

In all there are 300 SOUNDS AND PHOTOS, including animals, birds, vehicles and musical instruments.

Educational application of the solar system. Images of all the planets of the solar system with information. The planets are shown to scale. The distances between the planets are too wide.

The news from outer space.

The most effective way to Speak & Learn Spanish.

You can start speaking Spanish RIGHT AWAY!

Even if you don't know a word of the language. No drills or boring grammar. This innovative 'EasyTalk' method is so easy and so fast that you'll be speaking Spanish within minutes - GUARANTEED!

STOP STUDYING SPANISH AND START SPEAK SPANISH!

Speak Spanish in just 12 days. This app will allow you to learn Spanish very fast.

An English UK spelling practice tool for student.

An English US spelling practice tool for student.