Decimal column how do I remove the + and - sign on the form? because I cannot switch to the bottom line with the “tab” key on the keyboard

Hi, The color column expands after regenerate in any table, how can I solve this problem? Could you help?

I have an application that consists of 29 tables, and each table has a lot of data (1000-10000), so my application is slowing down as I continue to add data, how do you make a suggestion?

I want to do something like in the example, how can I get the previous value for comparison. what should be the formula for the previous value? Thanks

How to download the detail page as pdf? For example, I would like to view or download the following page as “pdf”, Is there a way for this, or add, I would be very happy if you help. or as google document or word Thanks.