Improving multiplication

Great app for math: multiplication table.
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.
It is also possible to study the multiplication table on the Pythagorean table.