Have any tried to do math functions in php?

Question

I looking at various php websites and Manuel's, recreations and adjusting codes with various success.
https://code.sololearn.com/w2zQQtDdXJHl/?ref=app
https://code.sololearn.com/wTc7Ce8FeP22/?ref=app

Answer 1

cool, you're the best.
never stop coding & hope you the best 🌷