Apple iWork '09 - Manual (Page 181)

Chapter 8 Numeric Functions 181
“Value Types” on page 36
“The Elements of Formulas” on page 15
“Using the Keyboard and Mouse to Create and Edit Formulas” on page 26
“Pasting from Examples in Help” on page 41
LOG10
The LOG10 function returns the base-10 logarithm of a number.
LOG10(pos-num)
 pos-num: A positive number. pos-num is a number value and must be greater than 0.
Usage Notes
To find the logarithm for a base other than 10, use the LOG function. Â
Examples
=LOG10(1) returns 0.
=LOG10(10) returns 1.
=LOG10(100) returns 2.
=LOG10(1000) returns 3.
Related Topics
For related functions and additional information, see:
“LN” on page 179
“LOG” on page 180
“Listing of Numeric Functions” on page 167
“Value Types” on page 36
“The Elements of Formulas” on page 15
“Using the Keyboard and Mouse to Create and Edit Formulas” on page 26
“Pasting from Examples in Help” on page 41