This is embeddable code for doing multiplication calculations

multiplication-game.js

<div class="This-is-just-an-enclosure">
<div id='mathOut'> </div>
<div><input type='text' id='testasdf' /><input type='button' id='testbutton' value='Tell Me The Answer' /></div>
<div id="result"> </div>
<script type="text/javascript">
  (function(){
    var $ = jQuery;
    var upperLimit = 13, lowerLimit = 1;
  	var math$ = $('#mathOut');
  	var result$ = $('#result');
  	var button$ = $('#testbutton');
  	var text$ = $('#testasdf');
  	var getRandom12 = function(){
  		return Math.floor((Math.random()*100)%(upperLimit-lowerLimit+1))+lowerLimit;
  	};
  
  	var resetAll = function(){
  		text$.val('');
  		result$.html('');
  		getNext();
  	};
  
  	var lastGuess = {x:0,y:0};
  	var getNext = function(){
  		var x = getRandom12(), y = getRandom12();
  		// No two duplicate queries in a row (does not account for same different combinations, same numbers
  		while(x === lastGuess.x && y === lastGuess.y){
  			x = getRandom12(), y = getRandom12();
  		};
  
  		var result = x * y;
  		(function(x,y,result){
  			lastGuess.x = x, lastGuess.y = y;
  			var guessCount = 1;
  			var plurales = '';
  			var plural = '';
  			//var start = new Date();
  			math$.html("(Type the answer below and hit ENTER)<br />What is " + x + " x " + y + "?");
  			button$.unbind('click').click(function(){ 
  				$("<div>Admitted defeat at " + guessCount + " attempt" 
  					+ plural + ". "+ result + " = " + x + " x " + y + "</div>").insertAfter(result$);
  				resetAll();				
  			});
  			text$.unbind('keypress').keypress(function(e){
  				if(e.keyCode === 13){
  					if(result.toString() == text$.val()){
  						// 'start' can be used here to tell how long it took to enter the correct answer
  						$('<div>' + result + ' is the correct answer at ' + guessCount 
  							+ ' guess' + plurales + '</div>').insertAfter(result$);
  						resetAll();
  					}
  					else{ 
  						result$.html('Incorrect at ' + guessCount++ + ' attempt' + plural + '...'); 
  						plural = 's'
  						plurales = 'es';
  					}
  				}
  			});
  		})(x,y,result);		
  	};
  
  	// Let the guessing begin!
  	getNext();
  })();
</script>
</div>