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GeoB
ASIC
Reference Manual 5.Standard Functions
5-20 TPS1100-Version 1.30
Function Log10( dX AS Double ) As Double
Log10 = Log(dX) / Log(10)
End Log10
The more general function LogN takes the base as an additional
argument:
Function LogN( iBase AS Integer, dX AS Double )
As Double
LogN = Log(dX) / Log(iBase)
End LogN
See Also Exp
Example The example calculates the value of e, then uses the Log function
to calculate the natural logarithm of e to the third power.
DIM dValueOfE AS Double ' Declare variables.
dValueOfE = Exp(1)
WRITE Str$(Log(dValueOfE ^ 3))
5.5.7 Sin Function
Description Returns the sine of an angle.
Declaration
Sin( dAngle AS Double ) AS Double
Remarks The argument
dAngle
can be any valid numeric expression
measured in radians. The return type of
Sin
is
Double
.
The Sin function takes an angle and returns the ratio of two sides
of a right triangle: of the length of the side opposite to the angle to
the length of the hypotenuse.
The result is in the floating point range -1.0 to 1.0.
See Also
Atn
Cos
Tan
Remark on the Conversion of Angles (5.5.2)