Kids Math Test

The application serves to verify knowledge of arithmetic operations on integers. It uses to generate a table of tasks from simple arithmetic operations between two integers.
The input data include: selection of arithmetic operations (addition, subtraction, multiplication and division); first and second intervals, from which they shall choose at random the first and second integer for an arithmetic operation; the number of rows and columns (of tasks) and whether with subtracting is permissible negative result.
Pressing the menu "I'm ready", tasks are checked, the wrong turn red, the menu function "New problems" becomes unavailable in the toolbar and shows the evaluation. Solve the problem below 80% were considered weak, and rest estimates grow through at 5%.