A member of the underlying field of a vector space. E.g. in $R_{3}$, the underlying field is $R$, and a scalar is a member of $R$, i.e. a real number.

A member of the underlying field of a vector space. E.g. in $R_{3}$, the underlying field is $R$, and a scalar is a member of $R$, i.e. a real number.