Briefle words · Code & architecture
Minor units
Also called cents
Storing money as a whole number of the smallest unit of a currency, such as cents, so amounts are always exact integers.
Say it to an AI
Python function that totals a cart with tax, keeping money as integer minor units (cents) end to end. Compute tax with the Decimal type and an explicit rounding mode (ROUND_HALF_UP) to whole cents; only convert to dollars when formatting. No floats anywhere in the money path.
How an expert would brief the stronger version of “Cart total”.
See it
Try it as a puzzle →A grocery delivery team prototypes the checkout total calculation in a notebook.
Why: B's PRICES_CENTS holds 115, 499 and 675, and cart_total_cents returns the exact integer 2375.
Related words
Room 5 · APIs & data
Learn “Minor units” in a five-minute lesson