Multiplication study technique

This program will help you learn the multiplication of numbers and test your knowledge in this field of science.
When learning multiplication, the user can click a number to get the multiplication table for that number.
When testing, you can choose the level of passing the test, a specific number or all numbers. The user responds to the task. The result of passing the test is displayed.
It is also possible to study the multiplication table on the Pythagorean table.