Write a function that gives the mean digit (round towards nearest integer) of an input and positive number. For example:
x = 264 --> y = 4
x = 128 --> y = 4
Test Suite problem #4 has an incorrect value.
Test suite #4 is incorrect
Renaming a field in a structure array
Back to basics 19 - character types
Back to basics 20 - singleton dimensions
Divisible by 10
Sum of a geometric series
Check if is a square
Say type of roots in quadratic equation
Ratio between sum of primer numbers and non-prime numbers
Double the next!
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