Abstract Crossword 4x6B07

By MR Francis Gurtowski and Francis Gurtowski

A mathematics-based, crossword puzzle SYSTEM. Volume 2 of 3. The unsolved Abstract Crossword puzzles. Introduces the novelty of 2D Regular Expressions Across and down, simultaneously. Seniors, when... This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 1546920919
• ISBN13: 9781546920915
• Release Date: May 2017
• Publisher: Createspace Independent Publishing Platform
• Length: 632 Pages
• Weight: 3.18 lbs.
• Dimensions: 1.3" x 8.5" x 11.0"