Formula notes.  Copy the text using the Edit menu.  If editing is enabled then the text may be edited.

The formula picture.  Copy the picture using the Edit menu.  If editing is enabled then pasting will replace the picture.  The picture may be scrolled with the mouse if it is larger than the display area.

If editing is enabled (set in the preferences dialog) the current function may be deleted.  You will return to the function category list.

If editing is enabled (set in the preferences dialog) the current function name may be edited.  Pictures and text may be pasted over the existing ones.

If editing is enabled (set in the preferences dialog) a new function may be added to the current category.

This arrow will return you to the Functions & Formulas categories.  Keyboard equivalents are: enter key and with editing off the left arrow key, and return key.

This hilited ICON shows that Functions & Formulas is the current mode.

Select this ICON to view constant and property tables.

Select this ICON to perform unit conversions.

This button will display the “About” dialog.  Same as choosing “About Engineering Assistant…” from the Apple menu.