... Common code moved to data_memo_unit. Part II General The role of the data_child form is taken by a Tmemo component. The code to generate the lines which fill this component are moved from Math_unit into this form, to be consistent with the ideas in Part I and to help relieve 'math' of some of its burden. The rest of the changes are fairly straightforward. keep_select.pas Linkage with data_child_form reduced/simplified. math_unit.pas The entire code around formatting strings for a switch (show_switch_info) is moved to the data_child form switch_select.lfm New area 'switch_info' (Tmemo) added to take over from data_child_form in displaying switch data. Also a new button to copy the text of the switch_info field to the clipboard. switch_select.pas Three new procedures- resize_big- resize_small, and- show_switch_info Again, the changing of the data and the resizing of the form are split to help clarity and give better control over events Anyway, code attached below. I am still testing, so not ready for prime time just yet, but I wanted to get this out there, as it is ...