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Boosted by jwz:
th@v.st ("Trammell Hudson") wrote:

For the people who complained that the Curta was overkill and I should use a sliderule, I tried it this morning and calculated that 2.1*10^-2 kg coffee at a 1.5*10^1:1 ratio is about 3.15*10^-1 liters. Or something like that within a few powers of ten.

Coffee making setup with a scale, grinder, 21g of beans and a tiny sliderule