Re: "I have to say Excel is one thing Microsoft got right."
>Uhh, you can turn off "auto calculate" since at least version 4
>(maybe before, that was the first one I used, and turning it off was sometimes needed with a large worksheet on a 486)
Used to be pretty much compulsory for large multi-file linked spreadsheet models (back before workbooks got invented (v4, made the default fileformat in v5), on your creaking 8MHz Mac Plus.
Which, for actual USER interaction (rather than processing), ran faster than the latest i7s on Windows 7+/MacOSX 10.4+ ...