Calc – ROTRONIC LOG-HC2 Universal Datalogger User Manual

Page 53

Calc

With

Calc curves from existing data records can be linked to each other using for-

mulae and saved as a data record (* .rog) . The saved data record can be displayed

and processed in the form of curves or as a table using the Viewer . Templates

simplify the processing of recurring tasks .

Note:

For making comprehensive calculations the FreeMat math software is

Computing new curves
• Start

Calc (Logger program window > Tools > Calc)

1 Open data record (data origin)

Click on

Open to open the data record for which you want to perform calcu-

lations on the curve . It is possible to open multiple data records .

2 Create new curves

From

imported curves select the curve that you want to use for your calcu-

lations and drag it – with the left mouse button pressed – to the right into the

field for curves to be plotted . Repeat this procedure until the required number

of curves is shown on the right .

3 Enter formula

Enter the formula to be used for the new curve into the

Formula column . For

this, use the capital letters on the left .

Example for a subtraction: A-C

You will find a list of the available functions at the end of this section or under

Help .

Modify the text for the new curves

The entries in the columns

Module, Sensor and Unit can be modified .

Open

data

record

Enter formula

Number field