Mathematics That Uses Numbers and Letters

This page is the CodyCross answer for the clue below from Space Exploration, Group 917, Puzzle 4 (Caroline Herschel).

Question is: Mathematics That Uses Numbers and Letters

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.

Mathematics That Uses Numbers And Letters - Space Exploration CodyCross Answers | CodyCross Solutions