A branch of mathematics (7)
'a branch of mathematics' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for algebra that I've seen before include "letters here set out the problem" , "exercise in school?" , "for study in class" , "Branch of generalised arithmetic" , "Symbol-based branch of mathematics" .)
'a branch of mathematics' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for calculus that I've seen before include "Branch of maths involving rates of variation" , "Branch of mathematics developed by Newton and Leibnitz" , "System of mathematical computation (often differential)" , "Branch of maths dealing with differentiation and integration" , "Maths dealing with rates of variation" .)