There is no such thing that Bengali can not do.
Seeing the pictures that I have given you can understand how many digital intelligent people are Bangali.
They can make any complicated, difficult task very easy for their convenience.
By seeing this picture it is easy to understand that the math is written in the stairs of the house.
This has been done to make reading texts easy.
So that at any time during the time of going into the room and when the signs are easily seen and become a memento in mind.
And the second picture is part of Bengali grammar. For example - gender change, addition, connivance, separation etc.
It is necessary for a student to understand these things that he has knowledge of all these things.
