For example, water freezes at Zero Degree Celsius and boils at 100 degrees, the readings are 32-degree Fahrenheit as the freezing point of water and 212 degrees for boiling.
Both these temperature points are considering sea level and the standard atmospheric pressure.
For those using these two different scales, the numbers that denote that temperature are quite different.
It only allows the use of the Fahrenheit scale temperature points as a supplementary unit.
He chose these values to simplify the degree markings he could make on his instruments, since this difference between the temperatures allowed him to mark degree lines by bisecting the interval six times.
Normal body temperature is considered to be 98.