Matrix calculator using shell programming in ubuntu please do the question as stated below

The system needs to do the following

i.perform addition, subtraction, and multiplication ask the user which operation first

ii. take input from the user for matrix 1 and matrix 2 take rows and columns individually

iii. display input matrices and the result matrix make sure the all the operation follow matrix calcualtion rules

espesially when multiplying the matrix check if the two multiplied

When the values are taken from a user, make sure the provided inputs are valid before proceeding to the next.

do all that and I will upvote for sure