# Log# ( x# )

# Parameters

x = any positive number.

# Description

Common logarithm of x. This is the inverse of raising 10 to a power. y = Log10( x ) means y satifies x = 10 ^ y.

# Example

; Log10 example
; NaN means "Not a Number", the numerical result is invalid.
HidePointer
; First, what happens with non-positive numbers...
Print "Log10( -1 ) = " + Log10( -1 )
Print "Log10( 0 ) = " + Log10( 0 )
Print
; ... and now some well behaved numbers...
x# = 1.0 / 4096.0 ; small positive number
For n = 1 To 15
Print "Log10( " + LSet( x, 13 ) + " ) = " + Log10( x )
x = 8 * x
Next
WaitKey() : End

Index
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