To convert a given number of degrees Fahrenheit into Centigrade, deduct 32, multiply by 5, and divide by 9. To convert into Réaumur, deduct 32, multiply by 4, and divide by 9. To convert degrees Centigrade into Fahrenheit, multiply by 9, divide by 5, and add 32. To convert Réaumur into Fahrenheit, multiply by 9, divide by 4, and add 32.
The diagram shows corresponding degrees.
Beat of Pulse per minute
Pulse beat for normal person:
Infant before age of one year, 130 to 115 beats per minute.
Infant up to two years of age, 115 to 130 beats per minute.
Adult, 70 to 80 beats per minute. Adult in old age, 70 to 60 in normal health.