STEM Islands: Movement and Sound lets you explore different types of movement and learn about distance, time, and speed. You will discover what sound is and how to calculate the distance from the thunderstorm. Friendly characters will guide you along the learning material.
A Physics Teacher and his students are continuing their exciting trip through the world of knowledge. Now their task is to discover the laws of movement and propagation of sound.
Secure, international Bitcoin wallet for Windows, MacOS and Linux.
With ezCheckPrinting software, you can print professional checks.
An application that allows you to enjoy the PayPal service on your iPhone.
Bitcoin Ticker Widget displays and monitors the current bitcoin exchange rates.
Two useful utilities in one: an information window displaying the latest currency exchange rates, plus a convenient currency converter.
Create and edit custom invoices SOHO or business purposes.
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