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Engineering function
ERF.PRECISE
Returns the error function integrated from 0 to x.
Rarely usedDifficulty 1500 · AdvancedUsage rank #488 of 520
When to use it
The error function from 0 to x, with full precision for negative inputs.
The shape of it
- Syntax
=ERF.PRECISE(x)
Worked examples
Typical
=ERF.PRECISE(0.75) → 0.71115563
At 0.75.
One
=ERF.PRECISE(1) → 0.842700793
At 1.
Zero
=ERF.PRECISE(0) → 0
At zero.
Worth knowing
- Normal CDF: 0.5*(1+ERF.PRECISE(z/SQRT(2))).
- Odd function: ERF.PRECISE(-x) = -ERF.PRECISE(x).
- Introduced in Excel 2010.
Where it goes wrong
- #VALUE! for text.
- Only one argument, unlike ERF.
Related
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