I haven’t mentioned it much so worth a repeat: On this website’s spreadsheets page you will also find free #bitcoin related spreadsheets for calculating sha256, ECDSA secp256k1 (public keys, use the smaller binary spreadsheet I just made), bech32, and a few others including an actual bitcoin mining spreadsheet that works.
None have macros or array formulas to keep things transparent
Worth playing around with and having some fun.