http://book.klll.cc/ebooks/subject/4266.opds?sort_order=release_date 2025-08-14T11:03:23Z Books about Arithmetic -- Early works to 1900 (sorted by release date) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-14T11:03:23Z https://book.klll.cc/ebooks/subject/4266.opds?sort_order=title Sort Alphabetically by Title 2025-08-14T11:03:23Z https://book.klll.cc/ebooks/subject/4266.opds?sort_order=downloads Sort by Popularity 2025-08-14T11:03:23Z https://book.klll.cc/ebooks/68662.opds Elements of arithmetic Augustus De Morgan 2025-08-14T11:03:23Z https://book.klll.cc/ebooks/26979.opds 海島算經 (Chinese) active 3rd century-4th century Hui Liu 2025-08-14T11:03:23Z https://book.klll.cc/ebooks/25664.opds The Earliest Arithmetics in English Jun 1, 2008 2025-08-14T11:03:23Z https://book.klll.cc/ebooks/24038.opds 孫子算經 (Chinese) approximately 5th century Sunzi