Parameter Math

Parameter math is a powerful feature that lets you quickly and easily create new parameters based upon old ones. It is perfect for those experiments where you need a ratio of one parameter to another or any other custom defined parameters. Parameter math is also great if you need to slightly change the position of your data for display purposes.

Create New Parameters

You can easily create a new parameter or overwrite an existing parameter by using formula sequences, which can be single or multiple calculations. You have the option of using either a simple or formula calculation as the equation for using parameter math. In the simple parameter math option, the calculated parameters can be a function of two pre-existing parameters or one pre-existing parameter and a constant. Please see the Using Parameter Math topic in our manual for additional details as well as the information below.

Create New Parameters

Apply New Parameters to Plots

Using Built-in Functions and Formulas

By using the formula parameter math option, you have the advantage that you can combine multiple parameters and multiple different calculations in a single formula. Formulas are entered as mathematical equations, where the parameter number is represented by Pn, where n is the parameter number. Some valid formulas are:

P1+P2
(P1+P2)/(P4-100)
sin(P3)/cos(P4)

The valid mathematical operators are addition, subtraction, multiplication and division, as well as the functions listed in the table below.

Function	Explanation
SQR	Square function which can be used as SQR(X)
SIN	Sine function which can be used as SIN(X). Sin returns the sine of the angle X in radians.
COS	Cosine function which can be used as COS(X). COS returns the cosine of the angle X in radians
ATAN	ArcTangent function which can be used as ATAN(X)
SINH	Hyperbolic Sine function which can be used as SINH(X)
COSH	Hyperbolic Cosine function which can be used as COSH(X)
COTAN	Cotangent (1/tangent) which can be used as COTAN(X)
TAN	Tangent which can be used as TAN(X)
EXP	e raised to the power X which can be used as EXP(X)
LN	Natural log, which can be used as LN(X)
LOG(x,y)	LOG of Y with base X. With Parameter Math, Y can equal the parameter that is being converted. For example, LOG(10,P3) would convert Parameter 3 to Log Base 10.
SQRT	Square Root which can be used as SQRT(X)
ABS	absolute value, which can be used as ABS(X)
TRUNC	Discards the fractional part of a number. e.g. TRUNC(-3.2) is -3, TRUNC(3.2) is 3.
CEIL	Rounds a non integer value to the nearest integer that has a value greater than it. i.e. CEIL(-3.2) = 3, CEIL(3.2) = 4
FLOOR	Rounds a non integer value to the nearest integer that has a value less than it. ie. FLOOR(-3.2) = -4, FLOOR(3.2) = 3
RND	Can be used as RND(X). Generates a random INTEGER number such that 0 <= Result < X.
INTPOW	Can be used as INTPOW(base,exponent). The INTPOW function raises Base to an integral power. INTPOW(2, 3) = 8. Note that result of INTPOW(2, 3.4) = 8 as well
POW	Can be used as POW (base,exponent). The Power function raises Base to any power. For fractional exponents or exponents greater than MaxInt, Base must be greater than 0.
MIN	Can be used as MIN(A,B). Returns the value of A or B, whichever is smaller.
MAX	Can be used as MAX(A,B). Returns the value of A or B, whichever is larger

Parameter Math

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