When adding vector quantities remember that the directions have to be taken into account. The result of adding vectors together is called the resultant. In problems, vectors may be added together ...

Letter Published: 22 March 1900 Vector Diagrams C. CHREE Nature 61, 490 (1900) Cite this article ...

The diagram above represents a vector. The arrow displays its direction, hence this vector can be written as A B →, a, or (3 4). In print, a is written in bold type.