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Functions - arithmetic, Exponential function, Natural logarithm – Metrohm tiamo 1.1 Manual User Manual

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Formula editor

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Operand1 Operand2 Result

Example

Remarks

the previous operation.

Text Time Number

"Metrohm" <> Time(1999;10;07)
--> 1

Before the operation an operand
of type

Date/Time

is converted to

Text

(i.e.:

"1999-10-07 00:00:00

UTC+2"

) and then the texts are

compared according to the ASCII
table.

Time Text Number

Time(1999;10;7) <> "Metrohm" --

> 1

The same rules apply here as for

the previous operation.


Functions - Arithmetic

Exponential function

Syntax

y = exp(number)

Calculates e ^

Number

. Another way of writing y = e

(number)

, where e is the

exponential (e = 2.71828...).

Parameter

Number

Exponent

The parameter can either be entered directly as a number or as a Variable
of the type

Number

. If the parameter does not correspond to the selected

type then it will be automatically converted to it (see Type conversion

"TextToNumber"). If this is not possible then "

invalid

" will be returned as the

result of this operation.

Examples

Exp(1.5) = 4.48169

Exp('CV.MeanTemp')

= potential of the exponent (Common variable) based

on e

Natural logarithm

Syntax

y = ln(number)

Returns the logarithm of the entered number based on e. Another way of
writing y = log

e

(Number), where e is the exponential (e = 2.71828...).

Parameter

Number

>0

The parameter can either be entered directly as a number or as a Variable
of the type

Number

. If the parameter does not correspond to the selected

type then it will be automatically converted to it (see Type conversion

"TextToNumber"). If this is not possible then "

invalid

" will be returned as the

result of this operation.