http://book.klll.cc/ebooks/subject/4266.opds?sort_order=downloads 2025-08-08T12:31:35Z Books about Arithmetic -- Early works to 1900 (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-08T12:31:35Z https://book.klll.cc/ebooks/subject/4266.opds?sort_order=title Sort Alphabetically by Title 2025-08-08T12:31:35Z https://book.klll.cc/ebooks/subject/4266.opds?sort_order=release_date Sort by Release Date 2025-08-08T12:31:35Z https://book.klll.cc/ebooks/68662.opds Elements of arithmetic Augustus De Morgan 2025-08-08T12:31:35Z https://book.klll.cc/ebooks/25664.opds The Earliest Arithmetics in English 256 downloads 2025-08-08T12:31:35Z https://book.klll.cc/ebooks/24038.opds 孫子算經 (Chinese) approximately 5th century Sunzi 2025-08-08T12:31:35Z https://book.klll.cc/ebooks/26979.opds 海島算經 (Chinese) active 3rd century-4th century Hui Liu