Auto Sum Formula in MS Excel

	Instead of using the AutoSum button from the toolbar,
	you can press Alt and = to achieve the same result.
	Try it here :
	Move to a blank cell in the Total row or column, then press Alt and =.
	or
	Select a row, column or all cells and then press Alt and =.
			Jan	Feb	Mar	Total
		North	10	50	90	150
		South	20	60	100	180
		East	30	70	200	330
		West	40	80	300	420
		Total	100	260	690	1050