Hello,

Our software company sells 2 interesting programs for mobile phones with 
Symbian OS
1. Scientific graphical calculator:
http://www.k-software.com/grcalc_s60.htm

2. Puzzle game
http://www.k-software.com/mempuzzle_s60.htm

The program works on the following phones:
Nokia: 3230, 3250, 3600, 3620, 3650, 3660, 6260, 6600, 6620, 6630, 6670,
6680, 6681, 6682, 7610, 7650, N-Gage, N-Gage QD, N70, N90
Siemens: SX1
Samsung: SGH-D700
Panasonic: X700, X800
Sendo: Sendo-X

We also have scientific calculator for Blackberry phones:
http://www.k-software.com/grcalc_bb.htm


Best regards.