[insert_php] $result=0; $speedofflow=0; $speedofsound=0; $error="Calculate Values"; if(isset($_POST["submit"])) { $speedofflow=$_POST["speedofflow"]; $speedofsound=$_POST["speedofsound"]; if($speedofsound==0) { $error="Division By zero Error ...! speed of sound = ".$speedofsound; } else if($speedofflow==0) { $error="Division By zero Error ...! speed of flow = ".$speedofflow; } else { $result=$speedofflow/$speedofsound; } } [/insert_php]

Isentropic Flow Sound Speed examples, formula and calculations

[insert_php] echo $error;[/insert_php]
Speed of Flow:
Speed of Sound:
Mach Number:

Result:
Step by Step explanation of what you enter

[insert_php] echo " Speed of flow = ".$speedofflow."
"; echo " Speed of sound = ".$speedofsound."
"; echo "Result= Speed of flow / Speed of sound
"; echo "Result= ". $speedofflow."/".$speedofsound."
"; echo "Result= ".$result; [/insert_php]

Examples
Example	Speed of Flow:	Speed of Sound:	Formula	values	Mach Number:
Example # 1	5	2	Speed of flow / Speed of sound	5/2	2.5
Example # 2	12	3	Speed of flow / Speed of sound	12/3	4