Calc Test Page

Sample code test Calc e^43 = 4.7278394682294E+18

Simple Math test Calc2 2*3 = 6

Using Variables test calc 6

15
This is PHP code for a calculator

<?php if(isset($_POST['sub'])){ $num1=$_POST['n1']; $num2=$_POST['n2']; $oprnd=$_POST['sub']; if($oprnd=="+") $ans=$num1+$num2; else if($oprnd=="-") $ans=$num1-$num2; else if($oprnd=="x") $ans=$num1*$num2; else if($oprnd=="/") $ans=$num1/$num2; }?>

Links to useful pages
https://t4tutorials.com/simple-calculator-using-php/
https://www.mediawiki.org/wiki/Help:Extension:ParserFunctions
https://www.mediawiki.org/wiki/Extension:Variables