Thursday, July 30, 2009

Are You Really Sure?

Several users requested a confirmation dialog when starting a new game in Chess for Android to avoid resetting a game in progress by accidentally hitting the new game button. Therefore, I just posted v1.5.5 at the Android Market that adds this feature, illustrated below.

Although not directly requested, I have added this feature to both Checkers and Reversi for Android as well.

Thursday, July 23, 2009

Math Worksheet Generator

My daughter just started to learn addition and subtraction in school. Like a true nerd, I wrote a Java applet to generate math worksheets, so that I no longer have to write out exercises by hand.

To try it out, go to math worksheet generator.

Click on the top-right +/- buttons to increase and decrease the level of difficulty, click on the ADD/SUBTRACT button to toggle between additions and subtractions, or click anywhere to generate new exercises. Feel free to print the math worksheets for your own use (unfortunately, this may not work for some browsers).

Wednesday, July 22, 2009

Reversi for Android Update

I made minor improvements to the reversi move generator and evaluation function in version 1.5.5, hopefully resulting in stronger play. Unfortunately, in my excitement I forgot to add a new internal state to the save/restore functionality, which could introduce wrong play if a game was exited and later resumed. This has been fixed in version 1.6 of Reversi for Android. Many thanks to Patrick Barnes for reporting the bug (with a screen shot as illustration!).