Google Ad:

Simple Calculator v3 PHP Script


Simple Calculator v3 PHP Script

This is a simple Calculator that you can use in your project or systems. Just download the source code and follow the instructions below.

DIRECTIONS

 

    <form>
    <table style="border:2px solid #000;">
                <tr>
                    <td style="background-color:lightblue; color:#000; font-family:'Times New Roman'">Enter First Number</td>
                    <td colspan="1">
     
                        <input name="fvalue" type="number" style="color:blue"/></td>
                <tr>
                    <td style="color:#000; font-family:'Times New Roman'">Select Operator</td>
                    <td>
                        <select name="operator" style="width: 63px">
    <option>+</option>
    <option>-</option>
    <option>*</option>
    <option>/</option>
    </select></td>
                   </tr>
                <tr>
                    <td style="background-color:lightblue; color:#000; font-family:'Times New Roman'">Enter First Number</td>
                    <td class="auto-style5">
                        <input name="lvalue" type="number"  style="color:blue;"/></td>
     
                </tr>
                <tr>
                    <td></td>
                    <td><input type="submit" name="calculate" value="Calculate" style="color:wheat;background-color:red;" /></td>
     
                </tr>
                <tr>
                    <td style="background-color:lightblue;color:#000;">Output = </td>
                    <td style="color:darkblue"><?php echo $res;?></td>
     
                </tr>
           </table>
     </form>

 

PHP CODE

 

    <?php
    ini_set('display_errors',0);
    if( isset( $_REQUEST['calculate'] ))
    {
    $operator=$_REQUEST['operator'];
    if($operator=="+")
    {
    $add1 = $_REQUEST['fvalue'];
    $add2 = $_REQUEST['lvalue'];
    $res= $add1+$add2;
    }
    if($operator=="-")
    {
    $add1 = $_REQUEST['fvalue'];
    $add2 = $_REQUEST['lvalue'];
    $res= $add1-$add2;
    }
    if($operator=="*")
    {
    $add1 = $_REQUEST['fvalue'];
    $add2 = $_REQUEST['lvalue'];
    $res =$add1*$add2;
    }
    if($operator=="/")
    {
    $add1 = $_REQUEST['fvalue'];
    $add2 = $_REQUEST['lvalue'];
    $res= $add1/$add2;
    }
    if($_REQUEST['fvalue']==NULL && $_REQUEST['lvalue']==NULL)
    {
    echo "<script language=javascript> alert(\"Please Enter values.\");</script>";
    }
    else if($_REQUEST['fvalue']==NULL)
    {
    echo "<script language=javascript> alert(\"Please Enter First value.\");</script>";
    }
    else if($_REQUEST['lvalue']==NULL)
    {
    echo "<script language=javascript> alert(\"Please Enter second value.\");</script>";
    }
    }
    ?>

 

For more information and inquiries, feel free to comment below or email me at [email protected] May this simple calculator may help you in your projects or systems.

 

 

Read Me

 



Find More Simple Calculator v3 PHP Script

Have any Question or Comment?

Leave a Reply

Your email address will not be published. Required fields are marked *

Categories