Good news - Yay! There *is* a single function for it. Bad news - It was introduced in 2014b, and my newest version is 2007b.
Finding Perfect Squares
Is my wife right? Now with even more wrong husband
Check if number exists in vector
Diagonal & Anti-Diagonal Matrix: Easy
Must be in the front row...
Singularity v5 (with apologies to the true hack masters)
Piecewise linear interpolation
Three...is a magic number.
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