		Structural Engineers' eBook Pitched Roof Frames Worksheet [US]
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		Geometry
			Frame Span : S1				ft
			Base to Haunch Height : H1				ft
			Haunch to Eaves Height : H2				ft
			Eaves to Ridge Height : H3				ft
			Max Purlin Spacing : S2				ft
			Bay Spacing				ft
		Loading
			Dead on Roof : D				kip/ft²
			Live on Roof : L				kip/ft²
			Wind on Windward Wall : W1				kip/ft²
			Wind on Windward Slope : W2				kip/ft²
			Wind on Leeward Slope : W3				kip/ft²
			Wind on Leeward Wall : W4				kip/ft²
		Load Combination Multipliers
			Dead	Live	Wind
		DL
		DLW
		Plastic Moment Capacities
			Column	Rafter
		Mp = Sx * fy			kip-ft

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