Form of Mathematics Using Letters for Unknowns
This page is the CodyCross answer for the clue below from Forms of Communication, Group 2225, Puzzle 4 (Guestbooks).
Question is: Form of Mathematics Using Letters for Unknowns
and the answer is: ALGEBRA
Word Meaning:
ALGEBRA — (uncountable, mathematics) Elementary algebra: A system for representing and manipulating unknown quantities (variables) in equations.
Definitions from Wiktionary.