# Algebraic marks

A knowledge of the proper meaning of these can only be acquired by the study of mathematics, but the following statement of the names of them will be useful to reading-boys and others who are required to pronounce them:—

- +
*plus* - ÷
*division* - ∴
*therefore* - °
*degree* - −
*minus* - =
*equal* - ::
*so is* - ∥
*parallel* - √
*root* - ×
*by (multiplication)* - :
*to (in proportion)* - ′
*minute*, ″*second*

# Algebraic marks

See Signs.