17 Dec
2003
17 Dec
'03
11:17 p.m.
Bill Frantz wrote:
Slide rules are still, IMHO, the best calculator to keep in a car for calculating gas mileage. They are rugged, have no batteries, are not attractive to thieves, and have sufficient accuracy for the problem. They also teach the logarithm relation, which is valuable for understanding the physical universe.
Gas mileage is easy enough to calculate without any devices. - Igor.