Create any spelling quiz in any language.
Math teaching tool for school-aged children.
Helps students master fractions.
Help your children to learn and recognize the numbers.
Video-based Spanish language learning tool.
Live wallpaper with the real position of the sun and the planets.
Turn your monitor into a realistic space shuttle window.
Moon phase calendar.
help your kid to learn various shapes.
Simple and intuitive calculator for working with fractions.
Observe the sky like a pro.
complete chart set for USA coast and major rivers