Cramer had worked extremely hard over a long period with writing his Introduction à l'analyse and undertaking the large amount of editorial work in addition to all his normal duties.
Cramer had nagtrabaho balisang-hard sa loob ng isang mahabang panahon sa pagsusulat ng kanyang Panimula ŕ l'Analyze at pagsasagawa ng malaking halaga ng mga editoryal na trabaho sa karagdagan sa lahat ng kanyang normal na tungkulin.