Examples
Examples
Try the starting example
- Production date (YYYY-MM-DD)
- 2026-10-22
- User-supplied shelf life (days)
- 7
- Retail buffer (days)
- 2
- Calculated expiry date
- 2026-10-29
- Last dispatch date
- 2026-10-27
Try another scenario
- Production date (YYYY-MM-DD)
- 2026-10-23
- User-supplied shelf life (days)
- 7
- Retail buffer (days)
- 2
- Calculated expiry date
- 2026-10-30
- Last dispatch date
- 2026-10-28
Calculation method
Calculation method
Calculated expiry date
Add the supplied shelf-life duration in calendar days; subtract dispatch buffer. Day of manufacture is day zero.
Last dispatch date
Add the supplied shelf-life duration in calendar days; subtract dispatch buffer. Day of manufacture is day zero.
Symbols and units
- a
- Production date (YYYY-MM-DD)
- b
- User-supplied shelf life (days)
- c
- Retail buffer (days)
Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.
Assumptions & limits
Assumptions & limits
- Date arithmetic using a previously validated shelf life; no food-stability prediction. Supported limits: Finite numeric values bounded to 1e9 magnitude; lists and tables contain 1–100 records unless a stricter bound is stated. Inputs use the units shown. Lists explicitly paired by a method must have matching lengths; independent polynomial coefficient vectors may differ. Respect stated physical, interpolation, policy and computational domain limits.
Are these inputs private?
These calculations run in your browser. A shared link contains the values you choose to share. Only questions submitted to the separate AI finder are sent to OpenAI.