The version is 2.0, BATKU, fast Sudoku solver/generator BATKU Features: 1. Will solve any solvable sudoku in under .4 sec and 99% of all sudokus in under .5 ms 2. Windows UI interface compatible with Windows 95(OSR2)/98/98SE/ME/NT/2000/2003/XP/Vista/7 3. Requires no additional software or O/S modifications other than Shell...