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I need to add two matrixes together.
I am confused on how to write the function.
I have the function to enter the rows and colimns but I have no idea on how to add them together.
Such as

1 2 3...

this is what I need.
I need to enter a number and return it as a character.
this is what I have
#include <stdio.h>

int main(){
char a;

printf("Please enter a number from 0 to 256");
...

How do I write the following in C to perform this:
Please enter operand no.1
5
Please enter operand no.2
3.27
Please enter the operation
(Enter +,-,*,/)
+
The addition of 5 and 3.27 is 8.27

how do I enter a number and return the numer that represents ASCII value.

Such as
"Please enter a number less than 255
65
The character that represents ASCII value 65 is A"

How do I read my name into an array and spit out my name in reverse order. I can not get this program to run