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pedantry:

a) A friend made their pile developing Atari 2600 cartridges. In those days, doing a pythagorean distance calculation would've been way too expensive (especially as they had to work in between scan lines), so in their programs hit regions were octagonal, which is not pi=3, but not far off from pi=6.

b) As someone who generates object code, GOTO is the best control flow mechanism in that domain. [see also "Lambda: the ultimate GOTO" (1977) https://dspace.mit.edu/handle/1721.1/5753 ]