<?php
$nr1 = $_POST['nr1'];
$nr2 = $_POST['nr2'];
$nr3 = $_POST['nr3'];
$C = $_POST['C'];
$A = $_POST['A'];
$B = $_POST['B'];
$operator = $_POST['operator'];
$noerror = 0;
$emptya = 0;
$emptyb = 0;
$emptyc = 0;
if(isset($_POST['submit']))
{
if($operator == "+") {
$noerror = 1;
$result=$nr1+$nr2;
$sukses = $result;
}
elseif($operator == "-") {
$noerror = 1;
$result=$nr1-$nr2;
$sukses = $result;
}
elseif($operator == "*") {
$noerror = 1;
$result=$nr1*$nr2;
$sukses = $result;
}
elseif($operator == "/") {
$noerror = 1;
$result=$nr1/$nr2;
$sukses = $result;
}
elseif($operator == "v") {
$noerror = 1;
$result=sqrt($nr1);
$sukses = $result;
}
}
if(isset($_POST['submit1']))
{
if($nr1 == "" && $nr2 != "" && $nr3 != "") {
$emptyc = 1;
$noerror = 1;
$result1=pow($nr2, 2) + pow($nr3, 2); // Gjej C
$result=sqrt($result1);
$sukses1 = $result;
}
elseif($nr1 != "" && $nr2 == "" && $nr3 != "") {
$emptya = 1;
$noerror = 1;
$result1=pow($nr1, 2) - pow($nr3, 2); // Gjej A
$result=sqrt($result1);
$sukses1 = $result;
}
elseif($nr1 != "" && $nr2 != "" && $nr3 == "") {
$emptyb = 1;
$noerror = 1;
$result1=pow($nr1, 2) - pow($nr2, 2); // Gjej B
$result=sqrt($result1);
$sukses1 = $result;
}
}
?>
<html>
<h1>Simple Calculation</h1>
<form method="POST" action="">
<table style="border:groove #00FF99">
<tr>
<td style="background-color:aqua; color:red; font-family:'Times New Roman'">Numri i pare</td>
<td><input type="text" name="nr1" /></td>
</tr>
<tr>
<td style="color:burlywood; font-family:'Times New Roman'">Select Operator</td>
<td>
<select name="operator" style="width: 63px">
<option>+</option>
<option>-</option>
<option>*</option>
<option>/</option>
<option>v</option>
</select>
</td>
</tr>
<?php if($operator != v): ?>
<tr>
<td style="background-color:aqua; color:red; font-family:'Times New Roman'">Numri i dyte</td>
<td class="auto-style5">
<input type="text" name="nr2" /></td>
</tr><?php endif; ?>
<tr>
<td></td>
<td><input type="submit" name="submit" /></td>
</tr>
<tr>
<td style="background-color:aqua;color:red">Rezultati = </td>
<td style="color:darkblue"><?php if($noerror == 1) echo $sukses; ?></td>
</tr>
</table>
</form>
<h1>Pythagoras Theorem</h1>
<form method="POST" action="">
<table style="border:groove #00FF99">
<tr>
<td> <p><font color="red"> Per te gjetur njeren nga brinjet mos plotesoni kutine</font></p></td>
</tr>
<tr>
<td style="background-color:aqua; color:red; font-family:'Times New Roman'">Hipotenuza</td>
<td><input type="text" name="C" value="<?php if($noerror == 1 && $emptyc == 1) echo $sukses1; elseif($emptyc == 0) echo $C; ?>" /></td>
</tr>
<tr>
<td style="background-color:aqua; color:red; font-family:'Times New Roman'">Brinja A</td>
<td><input type="text" name="A" value="<?php if($noerror == 1 && $emptya == 1) echo $sukses1; elseif($emptya == 0) echo $A; ?>" /></td>
</tr>
<tr>
<td style="background-color:aqua; color:red; font-family:'Times New Roman'">Brinja B</td>
<td class="auto-style5">
<input type="text" name="B" value="<?php if($noerror == 1 && $emptyb == 1) echo $sukses1; elseif($emptyb == 0) echo $B; ?>" /></td>
</tr>
<tr>
<td></td>
<td><input type="submit" name="submit1" value="Gjej!" /></td>
</tr>
</table>
</form></html>
