You can enable in-place editing for the field on field editing page. Just check 'Enable in-place editing in Table'.

You can enable in-place editing for the whole table, click on 'Settings' and then enable "in-place editing in Table' in the 'Records' menu.

Currently not all fields support, but the basic and most important.

Please, notice that if editable field used as an operand in Formula, you'll need to refresh page in order to see updated Formula value.

Same true for viewing Total or Average for Number fields.