The science of letters (the Arabic alphabet) and their numeric values.
Download the 3-volume Beirut edition from Archive.org (clean Arabic) + the Amin al-Hindi partial English translation (for key concepts). This combo is the gold standard. shams al maarif pdf top
Search for “Shams al Maarif al-Kubra” (not just “Shams al Maarif”). Look for scans uploaded by user dar al-kotob . The 2008 Beirut edition (3 volumes in 1) is considered the “top” reference copy by most researchers. It is complete but in raw Arabic. The science of letters (the Arabic alphabet) and