VB .NET Language in a Nutshell

Name

Log10 Function

Class

System.Math

Syntax

Math.Log10(d)

d

Use: Required

Data Type: Double

A numeric expression greater than zero

Return Value

Double

Description

Returns the common (base-10) logarithm of a given number

Rules at a Glance

• The common logarithm is the logarithm base-10. The common logarithm satisfies the equation:

  10^Log10(x) = x

• d, the value whose common logarithm the function is to return, must be a positive real number. If number is negative or zero, the function generates runtime error 5, “Invalid procedure call or argument.”

• This is a Shared member, so it can be used without creating any objects.

VB .NET/VB 6 Differences

The Log10 function is new to the .NET platform.

See Also

Exp Function, Log Function