SigJenny turns your PC into a flexible and powerful signal generator for free! It generates numerous different waveshapes, can sweep them or arrange them as tone bursts, graphically display them, and do a very good impression of a police car. The output can be a single frequency or swept, or a single or repeating tone burst. The input from a microphone can be shown and the output frequency can be specified as musical pitch!
A2Z Hangman
This is a version of the classic hangman game which is designed to help grade school age children improve their vocabulary and spelling. It is appropriate for use in a classroom or at home.
Cellular joke game
cellular kids game
Speed typing game
Speed typing training. Adjust reading typing for maximum enjoyment. Ability to concentrate on the problem is one of the constituent parts of the successful mental work.
Spase Black Hole shooter
Use the arrow keys to move your ship. Try move all black hols without bumping into any of them.
Text perception 02
Find the moment read the text. Adjust reading speed for maximum enjoyment. Ability to concentrate on the problem is one of the constituent parts of the successful mental work.