, Please 
0
I'm a newbie at php, so if I made something that could be short, long, I am sorry. lol
Here is one for adding two numbers.
<html> <title>Adding 2 numbers </title> <body> <h3 align="center">Type in the two numbers you'd like to add together.</h3> <form action="add2.php" method="post"> <input type="text" name="number1" /><p>+</p> <input type="text" name="number2" /> <input type="submit" value="Add!" /> </form> </body> </html>Save that and name it add.php or add.html, it don't matter.
In that page, it is simply asking for 2 numbers to add.
Next, create a page called add2.php, can't make it html.
<?php $_POST["number1"]; $_POST["number2"]; ?> <html> <title>Answer to <?php echo $_POST["number1"]; ?> + <php echo $_POST["number2"]; ?></title> <body> <h3 align="center">Answer to <?php echo "$_POST["number1"]; ?> + <php echo $_POST["number2"]"; ?></h3> <p> The answer to <?php echo $_POST["number1"]; ?> + <php echo $_POST["number2"]; ?> is <?php echo $_POST["number1"]+$_POST["number2"]; ?> </body> </html>Php files can have html in them.lol
What this page is doing is adding the two numbers that were inputed on add.php(what I used).
Simple right?
Here is subtraction, for this, I copied and pasted the adding script/pages and made new ones called subtract.php, for the first one and subtract2.php for the second. I changed the adding to subtracting and yeah.
<html> <title>Subtracting 2 numbers </title> <body> <h3 align="center">Type in the two numbers you'd like to subtract.</h3> <form action="subtract2.php" method="post"> <input type="text" name="number1" /><p>-</p> <input type="text" name="number2" /> <input type="submit" value="Subtract!" /> </form> </body> </html>And
<?php $_POST["number1"]; $_POST["number2"]; ?> <html> <title>Answer to <?php echo $_POST["number1"]; ?> - <php echo $_POST["number2"]; ?></title> <body> <h3 align="center">Answer to <?php echo "$_POST["number1"]; ?> - <php echo $_POST["number2"]"; ?></h3> <p> The answer to <?php echo $_POST["number1"]; ?> - <php echo $_POST["number2"]; ?> is <?php echo $_POST["number1"]-$_POST["number2"]; ?> </body> </html>
yeah.
I also made a calculator for finding a circles area and circumference with just entering the diameter.
First, make a file called circle.php, copy and paste this code in it.
<html> <title>Enter the Diameter </title> <body> <h3 align="center">What is this circles circumference and area?</h3> <p> Just enter the diameter.</p> <form action="circle2.php" method="post"> Diameter(d): <input type="text" name="d" /> <input type="submit" value="Submit" /> </form> </body> </html>
Next, make a file named circle2.php. In it, it will solve for area and circumference using two formulas.
Where
D=diameter
R=radius
C=circumference
A=area.
For circumference;
D*pi=C
For area;
pi*®^2=A
Unless I'm horrible at math, those are false, but I'm excellent at math, so no worries.
Now, to make that file.
<html> <title>Area and Circumference </title> <body> <h3 align="center">Answers to Area/Circumference</h3> <?php $_POST["d"]; ?> <?php $d=$_POST["d"]; $r=$d/2; $r2=$r*$r; $pi=pi(); ?> <p>The aree and circumference of a circle with a diameter of <?php echo $d; ?> are<br /> Area:<?php echo $pi*$r2; ?><br /> Circumference:<?php echo $pi*$d; ?> </p> </body> </html>Now, just copy and paste, and it works.
For multiplication and devision, change the + or - to * or /.
Adding is +
Subtracting is -
Multiplying is *
Dividing is /
If you have any questions, feel free to ask. I'll also make a calculator at request, just post the formula for it, I'll make it and test it first, then give you the codes.
Yours truly,
Bubba.
