Convert the input to a cell array, but only if necessary.
If the input is a numeric array, return a 1-by-1 cell array containing the input. If the input is a cell array of numeric arrays, return the input unaltered.
Summing Digits within Text
The Goldbach Conjecture, Part 2
COUNT VOWEL 2
Is the input divisible by 3?
Integer or Float?
Convert RGB triplet to ColorSpec string
Convert ColorSpec string to RGB triplet
Find mistyped words in text (mixed-up letters)
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