FYI: If you get curious and start trying to calculate the time adjustment function that minimizes the gap between the most-used and least-used digit (for a representative sample of common cook times) without altering any time by more than 10%, and someone asks you what you're doing, it's easier to just lie.

"Nine", by Randall Munroe, licensed under Creative Commons Attribution-NonCommercial 2.5 License

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FYI: If you get curious and start trying to calculate the time adjustment function that minimizes the gap between the most-used and least-used digit (for a representative sample of common cook times) without altering any time by more than 10%, and someone asks you what you're doing, it's easier to just lie.