Not really my solution... just a slightly cheating version of @bmtran's.
Number of toolboxes?
Back to basics 1 - Saving
Construct an index vector from two input vectors in vectorized fashion
Pi Estimate 1
Relative ratio of "1" in binary number
7 segment LED display
Toolbox check part 3
Back to basics 10 - Max Float
Back to basics 19 - character types
Back to basics 8 - Matrix Diagonals
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