Model:-81AGeneral:Name:?Code-Name:?Family:Classic-PrinterLogic:?Features:?Firsts:?Introduction:Date:?Price:?Discontinuation:Date:?Price:?Production-Run:?Display:Type:?Size:?Number-Formats:?Annunciators:?Data:User-Visible:Smallest:?Largest:?Signif.-Digits:?Internal:Smallest:?Largest:?Signif.-Digits:?Data-Types-and-Sizes:?Memory:Named-Registers:?Flags:?Register-Usage:?Numbered-Registers:?Program-Steps:?Program-Editing:?Program-Display:?User-RAM-Bytes:?Total-RAM-Bytes:?ROM-Bytes:?Machine-State:?File-Types:?Physical:Technology-Used:?Processor:?Chip-Count:?Power-Source:?Continuous-Memory:?Expansion-Ports:?I/O-Ports:?Clock:?Length:?Width:?Height:?Weight:?Temperature-Range:Operating:? to ? deg CCharging:? to ? deg CStorage:? to ? deg CKeyboard:Switches:?Shift-Keys:?User-Defined-Keys:?Key-Arrangement::?Key-Labels-Base-Keyboard::?Key-Labels-f-gold-above::?Programmable-Operations::?Non-Programmable-Operations::?Menus::?Bugs/ROM-Versions::?Notes::This is a printing version of the -80A.  Price was $1,295.  The LEDdisplay was optional for $100.  The unit was 12 x 13 x 4 inches andhad large keys.  Printing was in red and black.  May be the same unitas the -46A but with different ROMs and labels.Pricing in 1975 from HP Electronic Instruments & Systems Catalog-81A w/printer$925-81A w/printer & LED display$1025-81A w/printer & buffered keyboard$1150-81A w/printer, buffered keyboard & LED display$1250Spring 1975 HP Pocket Calculator Catalog & Buying Guide-81A (incl. display) $1025Expedited entry option $225