Significant figures in reporting (Multiply/divide: keep min significant digits.)
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Multiply/divide: keep min significant digits. Add/subtract: match smallest decimal place.
What each symbol means
| Symbol | What it stands for |
|---|---|
| N_sig | Count of significant digits |
| Weakest term | Term with largest absolute uncertainty in last digit (add/subtract view) |
When to use this
Trailing zeros after decimal are significant; leading zeros are not; exact integers may be infinitely precise context-dependent.