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173

Dran-View 6 User Guide

Formula

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Notes on syntax

• The decimal delimiter is "."

• Numbers may be entered as exponentials using "e", i.e "10.0e2" equals 100.

• No other characters including "," and " " (space) may be used in numbers.

• A left parenthesis "(" must follow a function name.

• ";" is used as the parameter delimiter.

• A right parenthesis ")" must follow the parameter list.

• A function must be supplied with its correct number of parameters.

• Some functions have additional requirements to produce meaningful results,

such as that one parameter must contain zero-transitions. These are noted in

the "Information" section displayed when the function is selected in the

function list.

• Formula names may only contain the letters a-z, the numbers 0-9, and

underscores.

• Formula names must begin with a letter a-z.

• Each left parenthesis "(" must be matched with a right parenthesis ")".

• Any missing right parenthesis ")" will be assumed to be positioned at the

end of the formula.

• Channel names must be enclosed in square brackets "[", "]" .

• Channel names consist of three parts appearing in this order: the site

definition, the channel definition, and the series definition. These must be

separated by ".".

• The site definition must begin with the string "Site " followed by a number.

Site 1 is considered to be the first site added to the document, site 2 the

second, etc.

• Site definitions must specify an existing site.

• If no site definition is present, site 1 is assumed.

• Channel definitions consist of the channel's phase followed by the channel's

name, without any delimiters or spaces.

• Channel definitions must be present in a channel name.

• Channel definitions must specify an existing channel.

• Valid series definitions are: "VAL", "MIN", "AVG", and "MAX".

• If no series definition is present, "AVG" is assumed if present, otherwise

"VAL".

• Formulas may not contain any expressions except channel names, functions,

parentheses, parameter delimiters, and the operators +, -, * and /, not even

spaces " ".

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