Brashley46: There are 180 Fahrenheit degrees between freezing and boiling; old Herr Fahrenheit assigned the zero value to the coldest temp he had ever experienced, which was 32 of his degrees below freezing. Celsius divided the difference between freezing and boiling to 100 of his degrees, and started the scale at freezing = zero. Close, but no ceeegar. Anders Celsius devised a scale in which the boiling point of pure water (at sea level) was 0 degrees, and the freezing point 100 degrees. These days we use the scale the other way around. When I was in school it (the modern version) was referred to as the centigrade scale.
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