Notes

Scalar Quantity is a quantity with magnitude only …

Scalar Quantity is a quantity with magnitude only. It is specified completely by a signal number, along with the proper unit.
Examples are: the distance between two points, mass of an object, the temperature of a body and the time at which a certain event happened. The rules for combining scalars are the rules of ordinary algebra. Scalars can be added, subtracted, multiplied and divided just as the ordinary numbers.