J-G, thanks for the problem. Could you add some more information about expected inputs and outputs? An example and some more tests would be helpful too. If your test suite has exactly one test, it's trivial to write a correct answer.
Number of toolboxes?
Sum the Digits of a Number
select the primes of a vector
kmph to mps
Find the area of a rectangle if length of the diagonal is given.
Make a KITT-scanner on the command line
Wayfinding 2 - traversing
Order of things - 1
Insert structure in a parameter-cell array.
Order of things - 2
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