Add or multiply multiple spectra
This covers adding or multiplying two spectra in a 1:1 ratio to yield a new, third spectrum. For subtracting or dividing two spectra see Subtract or divide multiple spectra.
1. Activate the Calculator toggle button in the Toolbar. This will activate the 'Add / multiply spectra' panel.
2. From the 'Add / multiply spectra' panel, press the desired operation button.
This will open a selection dialog box.
3. In the selection box, select at least two spectra the operation should be performed on. Multiple spectra are selected by pressing down the Shift or Alt key.
4. Press OK. A third spectrum is generated, added to the data listbox and plotted in the graph window in black.