A good approach to this task should return to an enjoyable activity without comparing today with past ability. The aim is not to create a flawless performance. It is to make the next useful action visible, keep the effort proportionate, and leave the situation...

A laboratory reports that a research material has a chromatographic purity of 98.7%. The figure appears in a technical report alongside the analytical method, sample identifier, chromatogram and other supporting information. By the time it