Russian alphabet description

The program will help you learn the Russian alphabet in a short time.
The program has five tabs:
1. Alphabet (all letters of the Russian alphabet are given here)
2. Vowel letters
(brief information about what vowels are and what is their feature)
3. Consonant letters
(brief information about the consonant letters of the Russian language. What they sound like and how words can change due to them during pronunciation)
4. Uppercase letters
(A table of uppercase and lowercase letters is provided.)
5. General testing.
(General testing for all passed material)

In each tab there is a button "Testing" by clicking on it you will go to testing.
In testing, you need to listen to an audio recording of a letter or word and choose the correct letter among other options.