Simple addition, subtraction, multiplication, division, and division using php _ PHP Tutorial

Simple addition, subtraction, multiplication, division calculator using php. Use php to implement addition, subtraction, multiplication, division, and calculator. The code is simple! Copy the code as follows :? Phpheader (content-type: texthtml; charsetutf-8); session_start ();?! DOCTYPEhtmlPUBLIC-use php to implement addition, subtraction, multiplication, division, and calculator. The code is simple!

The code is as follows:

Header ("content-type: text/html; charset = utf-8 ");
Session_start ();
?>




Simple computer





$ Num1 = $ _ POST ['num1'];
$ Num2 = $ _ POST ['num2'];
$ Scheme = $ _ POST ['signature'];
$ Rs = 0;
Switch ($ scheme ){
Case "+ ":
$ Rs = $ num1 + $ num2;
Break;
Case "-":
$ Rs = $ num1-$ num2;
Break;
Case "*":
$ Rs = $ num1 * $ num2;
Break;
Case "/":
$ Rs = $ num1/$ num2;
Break;
Default: echo "Your input is incorrect ";
}
$ _ SESSION ['Rs '] = $ rs;
Echo: '. $ _ SESSION ['Rs'];
?>

Bytes. The code is simple! The code is as follows :? Php header ("content-type: text/html; charset = utf-8"); session_start ();? ! DOCTYPE html PUBLIC "-/...