Homework 1 - Simple Calculator (Due 1/22)

Part 1

Create an HTML file with the interface for a calculator.

Call the file <AndrewID>_hw1.html
Create/edit it in a text editor
Make the HTML file display an interface to a four function calculator. Include the following components:
- A text input labelled "X"
- A text input labelled "Y"
- A button labelled "+"
- A button labelled "-"
- A button labelled "*"
- A button labelled "/"
- A locked (write-protected) textbox labelled "Answer"
All design/presentation aspects of the interface must be done using CSS, either as an embedded style="..." or as a div id="..." and corresponding rule where appropriate
All CSS rules should be contained within the html file such that only one file is submitted during handin
Your interface should look better than what was shown in lecture:

The functionality for the calculator must be implemented in Javascript
Function and variable names should be reasonable, but are created at your discretion
All Javascript must be embedded within the html file such that only one file is submitted during handin
Error messages should be reported for the following inputs