Table of 45,000 per cents
Table of 45,000 per cents
12 min read
Rate this book:
About This Book
Contains percentages. The columns are the denominators. And the lines are the numerators. The denominators go to 300 plus. When published the use of this booklet was about twice the speed of the electric desk calculators then in existence.
Buy This Book
As an Amazon Associate and Bookshop.org affiliate, BookOrb earns from qualifying purchases.
Write a Review
Sign in to write a review.