2 mathematical functions – Metrohm 900 Touch Control Manual User Manual
Page 442
29.13 Calculations
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426
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900 Touch Control
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Result and statistics variables
List of the variables which are required for calculating results and statis-
tics for the current determination.
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Common variables
List of common variables. All of the common variables are listed, no
matter whether they possess a value or not.
You will find a detailed description of all of the variables in chapter
29.13.3.3, page 427.
29.13.3.2
Mathematical functions
The following mathematical functions can be utilized in a calculation for-
mula:
Function
Description
y^z
Power function
Example: 4^2 = 16
SQRT(X)
square root of X
Example:
√(EP1)
ABS(X)
absolute value of X
Example: ABS(C00); in order, e.g. with reweighings, to
convert the negative sample size to a positive value for
later calculations
LN(X)
natural logarithm of X
LOG(X)
decimal logarithm of X
FRAC(X)
Fraction of X
Example: FRAC(2.5971) = 0.5971
INT(X)
integer part of X
Example: INT(2.5971) = 2
TST(X,Y)
Test function
If invalid variables (e.g. missing endpoints) occur in a cal-
culation, then these can be replaced with a valid value
by using this function. In this way invalid results can be
avoided.
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Syntax:
– X = variable to be tested
– Y = replacement value