Sum the Digits of a Number
Add two numbers
Fibonacci-Sum of Squares
Corresponding letter to ASCII code.
Remove the row average (★★★)
Sum of terms in a series 1 (★★★)
Swap the first and last columns (★★)
How to locate the position of an element in a vector without using the find function
Create a vector with n repeated values of a number x (★★)
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