evol

	   Diagram of Hewlett-Packard Calculator Evolution

-35A ==========	-21A ==	-31E ==========	-10C ==================	-20S ==
							     /	-21S
							    /
						     ==	-22S
						    /
-45A ========== -27A ==	-32E ==========	-11C ==	-27S ===========
-46A			-32C	      /		    \
				     /		     \
-55A ==========	-25A ==	-33E ========		      =	-32S == 32SII
		-25C	-33C	     \
		-95C		      \
		-29C ==	-34C ==========	-15C ==================	-42S
	-10A ==	-19C			    \	/
	      /				     \ /
-65A =========				      X
	      \				     / \
		-67A == -41C ========== -41CX ==|==============	48SX === 48S
		-97A	-41CV		     \	|	     /		  48G
			-41opt1		      \	|	    /		  48GX
					-16C ==	-28C ==	-28S		  48G+
									   38G
		to -27A
	       /				      /	-19B ==	19BII
-80A ==	-92A \/	      /	-38E ==	-38C =\	      	     /=	-17B ==	17BII
-81A	      =	-22A =		      	-12C ==	-18C =
-70A ========/	      \========	-37E =/		     \=========	14B
						      \========	-10B


	-85A ==	-85F ==========	-75C ==========	-71B =====	from 19BII
		    \ -86A,-86B	-75D			  \	  \
		      -87A				   \	   \
							    \	    \
		-97S ========================== -94D ==================	95LX
						-94E			95LX1MB
						-94F			 100LX
								       100LX2MB

Not (yet) included: -01A -83A -83F -85B -87XM -91A