php calculator script for the website

we need this calculator on a single page which will display and email the results as it seen on the page in ROWS only... no need the fancy calendar view [login to view URL] it should use secure phpmailer not simply and insecure in the same file!! like the junior coders do! :) fields needed on the user view page. MAIL Hidden TO mail for CC to receive the result Name Surname "and the calculator " output and layout will be like the picture attached once user confirms it will add the dates onto our gmail google calendar with orange colors as all day event.