Index

Below is an index to the makers of handheld electronic calculators in the division of Medicine & Science at the National Museum of American History.

• APF Electronics
• Addison-Wesley
• Berkey-Keystone Division
• Bomark International
• Bowmar/Ali
• Brother International
• Calfax
• Canon
• Cartron
• Casio Computer
• Coleco
• Commodore
• Commodore Japan
• Compex
• Corvus Corporation
• Craig Corporation
• Dataking, Inc.
• Digitrex
• Dynamic Instrument
• Eiko Business Machines
• Enterprex
• Fitness Now, Inc.
• General Instruments
• Hanimex
• Hewlett-Packard
• Inventa Electronics
• Invicta Plastics, Ltd.
• J.C. Penney
• Jefferson Electric
• Keystone
• Kings Point Corporation
• Litronix
• Litton Industries
• Lloyd's Electronics 
• Macmillan Company
• Matsushita Co., Ltd.
• Michigan Council of Teachers of Mathematics
• Montgomery Ward
• National Semiconductor
• Nobility
• John B. Priser
• Radofin
• Rapid Data Systems
• Remington Rand Inc.
• Rockwell International
• Sanyo Electric Company
• Sears, Roebuck and Co.
• Sharp Corporation
• Sinclair Radionics Ltd.
• Sperry-Univac Computer Systems
• Summit International
• Tandy Corporation
• T-A Vertriebs-GmbH
  
• TecXon
  
• Texas Instruments
• Tokyo Electronic Application Laboratory Ltd.
• Tokyo Shibaura Electric Company
• Toshiba Corporation
• Toyo
• Tyrom
• Unisonic
• Universal Data Machine
• Victor Comptometer Corporation
• Western Auto Supply
• Zayre Discount
• Zykkor