Once again, Mark, thank you very much. Even if it no longer exists, I can explain that for embarkation, this is the formula that we need. I did a lot of Googling but still haven’t found that. Shall download the Tousanticovid app today, haven’t bothered before, it may help.
Sweltering here in the Pyrénées Orientales - 34-36 C forecast for the next several days.