User talk:Erisbe

Math
Welcome to Wikipedia and thanks for trying to improve our article on Joule. But I'm afraid your math knowledge is incomplete and I have had to undo what you did. To invert a number in scientific notation, you cannot just change the sign of the exponent. So 6.24150974e=18 is 1/(1.602176634e=-19) and that is where the conversion factor came from. --agr (talk) 15:59, 26 July 2019 (UTC)