LOG function

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Description

Returns the logarithm of the given number to the base 10.

Syntax

LOG(Number)

Arguments

Argument

Type

Dimensions

Description

Number

(required)

Number

Any Dimensions

Number to return the logarithm to the base 10 for.

Returns

Type

Dimensions

Number

Dimensions of Number

Negative Numbers return BLANK.

Examples

Formula

Result

Description

LOG(1)

0

log(1) equals 0.

LOG(100)

2

log(100) equals 2.

LOG(0.5)

-0.30103

log(0.5) equals -0.30103.

LOG(-2)

BLANK

-2 is a negative number, the function returns BLANK.

See also

Excel: LOG

Related articles: LN, EXP