ivankahl

function(fn)
{
	var 	n=fn.split(" "),	// Split the full name into an array
		it="",			// Create and set the intials variable to nothing
		i;			// Set i to 0 for the while loop
	while(i<n.length)		// While loop that runs while i is smaller than the length of the array of names
	{
		it+=n[i][0];	// Get the first letter from the name and add it to the it(initial) variable
		i++			// Increment i by 1
	}

pies

/* Based on 
 * - EGM Mathematical Finance class by Enrique Garcia M. <egarcia@egm.co>
 * - A Guide to the PMT, FV, IPMT and PPMT Functions by Kevin (aka MWVisa1)
 */

var ExcelFormulas = {

	PVIF: function(rate, nper) {
		return Math.pow(1 + rate, nper);
	},