Given a string, remove all the letters which in ASCII Code are prime numbers.
s1 = 'Determine which array elements are prime'
s2 = 'Dtrin which rry lnts r pri'
Additional test cases have been added.
Multiply 2 numbers
Sum the Digits of a Number
Equal to their cube
Remove the Zero
Back to Basics - New Data Type in R2016b - convert a char to a string
Adding Cells with numbers defined as strings
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