Not really my solution... just a slightly cheating version of @bmtran's.
Summing Digits within Text
Test if a Number is a Palindrome without using any String Operations
Square Digits Number Chain Terminal Value (Inspired by Project Euler Problem 92)
Divisible by 2
Number of Even Elements in Fibonacci Sequence
Back to basics 23 - Triangular matrix
Back to basics 9 - Indexed References
Back to basics 12 - Input Arguments
Toolbox check part 3
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