Dewey __ System Organizes Books in the Library

This page is the CodyCross answer for the clue below from Past and Present Tech, Group 1447, Puzzle 1 (Mimeograph Machine).

Question is: Dewey __ System Organizes Books in the Library

and the answer is: DECIMAL

Word Meaning:

DECIMAL — (arithmetic, computing) Concerning numbers expressed in decimal or mathematical calculations performed using decimal.

Definitions from Wiktionary.

Dewey __ System organizes books in the library — CodyCross Answer | CodyCross Solutions