Henry Chan Published Applications :

Store your most used register values with text descriptions. Organize values as groups in customized Tab Bars. Perform calculations on duration times and display in HH:MM:SS format. 4-inch Retina...
The Rules are simple. Select each coin image only once for the maximum points. Each Group contains a fixed number of images, and only four will be displayed at a time. At least one of the...
What's in your calculator memory? Using text descriptions for each memory register, you no longer have to wonder what a number represents.

The ergonomically spaced keys (except for iPad...
You have 100 shots to shoot out the target. It's easy to shoot out, but can you do it with the least amount of shots to be the leader on Game Center?

Use your finger as the trigger and...
** If you are using iOS 4.2 or later, consider using Pi Brain 4, which contains more features including enhanced learning modes, Game Center Leaderboard, and iPad support **

How many...
Do you think you have a fast finger? How about two fingers? Or even three or more. In this game, you will try to touch as many dots that appear on the screen as possible. The game starts out...
Rocket Brain allows you to view the insignias of some of the old U.S. manned space missions. You can also play a memory game with the insignias by collecting them and scoring points. Select each...
iTint calculates a relative Visible Light Transmission (VLT) percentage of an transparent object. The most practical use is for automotive glass, but can also be used for sunglasses, swim goggles,...
iTint Lite allows you to test your ability to match the brightness of two different screens, simulating the use of the full iTint app. Slide your finger on the top half to change the brightness...
Pi Brain+ is a tool to help you learn the digits of Pi. Game Center support for Leaderboard and Achievements makes learning fun. Features timer and advanced learning tools, such as rapid advance...
A simple ten key test with keys spaced the exact distance of a standard numeric keypad. Lessons allow training each finger.