Addictive puzzle game, similar to to Boulderdash; teen to adult; no gore or violence. Trial version includes 10 games (49 levels), registration offers over 500 extra games (2500 levels) and game editor. Sound effects, worldwide Hall of Champions.
Advanced Sci/Eng calculator. Expression evaluation, 18 digits precision, variables, >100 functions, graphs, unit conversion, interpolation, polynomial regression, linear algebra, systems of linear, nonlinear and differential equations, optimization.
Tiny but smart calculator: just type in any expression, like