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Formula Reference
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Formula Functions
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Math and Trigonometric Functions
- ABS
- ACOS
- ACOSH
- ACOT
- ACOTH
- AGGREGATE
- ARABIC
- ASIN
- ASINH
- ATAN
- ATAN2
- ATANH
- BASE
- CEILING
- CEILING.MATH
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- COS
- COSH
- COT
- COTH
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- FACT
- FACTDOUBLE
- FLOOR.MATH
- FLOOR.PRECISE
- GCD
- INT
- ISO.CEILING
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- LET
- LN
- LOG
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- MDETERM
- MINVERSE
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- SERIESSUM
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- SIN
- SINH
- SQRT
- SQRTPI
- SUBTOTAL
- SUM
- SUMIF
- SUMIFS
- SUMPRODUCT
- SUMSQ
- SUMX2MY2
- SUMX2PY2
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- TAN
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LN
This function returns the natural logarithm of the specified number.
Syntax
LN(value)
Arguments
For the argument, specify a positive numeric value.
Remarks
This function is the inverse of EXP, so LN(EXP(x)) is x.
Data Types
Accepts numeric data. Returns numeric data.
Examples
LN(B3)
LN(R1C2)
LN(10) gives the result 2.3025850930
LN(exp(1)) gives the result 1