Haefely 2830, User Manual, Page: 99 / 124

Software
91
id_TEMP actual ambient Temperature
id_HUM actual relative Humidity
id_DCVOLT applied DC Voltage
id_DCCURR measured DC Current
id_DCRES
measured DC Resistivity
Sample:
var
DF: double;
Cap: double;
ACStress: double;
…
begin
…
DF:=GetMeasData(id_DF);
Cap:=GetMeasData(id_CAP);
ACStress:=GetMeasData(id_ACSTRESS);
…
end.
Mathematical Functions
Abs(AVal: Double): Double;
Absolute value
This function calculates the absolute
value of <AVal>.
Sqr(AVal: Double): Double;
Square
This function calculates the square of
<AVal>.
Sqrt(AVal: Double): Double;
Square root
This function calculates the square root
of <AVal>.
Note: <AVal> may not be < 0.
Exp(AVal: Double): Double;
Exponential
This function calculates exponent to the
base e.
Ln(AVal: Double): Double;
Logarithm
This function calculates the logarithm of
<AVal> to the base e.
Note: <AVal> must be > 0.
Sin(AVal: Double): Double;
Sine
This function calculates the sine of
<AVal>. <AVal> is to be entered in
radians.
Cos(AVal: Double): Double;
Cosine