* Status bar with information about range of numbers etc.
* Options will be memorized
* You can switch the interface between English and German
* Wrong result will be noted during input already
* Some small changes
++ NEW IN VERSION 2.1 ++
* A bug concerning "Range of numbers" has been corrected (with a range of numbers of n, there were only numbers up to n-1 allowed, for example range of numbers = 12 / Multiplication up to Max 11x11).
* I added a hint display to the status bar.
++ NEW IN VERSION 3.0 ++
* Additional option "Stress"
* Improved possibility for up to four players to compete with each other
* A help file has been added
* Further little improvements
++ NEW IN VERSION 3.1 ++
* A possibility to practice all 4 basic arithmetical operations mixed.
* Some minor bug fixed, mainly in connection with screen setting "small fonts".