Is the Test Suite not working?
I ran my code on my MATLAB 2021a and the Scratchpad and both worked fine.
Test if a Number is a Palindrome without using any String Operations
Determine if input is a Narcissistic number
Mersenne Primes vs. All Primes
Calculator spelling - Numbers to Letters
Word Distance - Sum
Scrabble Scores - 8
Rumis Scorer 1
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