Excel VBA Topic 6.7 - Nested Decision Structures

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Regarding the note in the video: why is it necessary to use the Val() function when obtaining the SAT score from the user? How is it any different from what you already have written in the code?

RuxandaMD
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What is the performance penalty through using multiple nested decision structures?  Is it bad practice to nest too far? I.e.  Sometimes it may be possible to avoid the nested structure by reconfiguring data or performing another step earlier to remove the need for the If (for example an autofilter) I was just interested what's best.  Or better yet, is there a way (other than writing two lots of code and timing) to compare the efficiencies of multiple methods?  At the moment I just write two lots, time them, and watch my computers performance stats during it.

hypercasual
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