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Why a point of sale must own its dataOffline is not a mode. What it takes for a register to sell with the line down and sync exactly once when it is back.Read more →Per-ticket or roll-up: how to post sales to SAP Business OneTwo ways to keep SAP the book of record, what each costs the invoice table, and which one e-invoicing needs.Read more →Printing Arabic receipts on a thermal printerWhy ESC/POS fonts fail Arabic, how device-side rasters fix it, and what a bilingual receipt needs.Read more →