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2. Programmable calculator - Wikipedia

   en.wikipedia.org/wiki/Programmable_calculator

   Also commonly available from many companies are small printers made specifically for calculators which tend to use cash register tape paper, ports and cables for connecting the calculators to a computer and/or another calculator, cassette recorders for recording programs and data, overhead projector displays, and connectors for auxiliary ...

3. Staples Inc. - Wikipedia

   en.wikipedia.org/wiki/Staples_Inc.

   Staples's logo from 1988 to 2019. Staples Inc. is an American office supply retail company headquartered in Framingham, Massachusetts. Founded by Leo Kahn and Thomas G. Stemberg, the company opened its first store in Brighton, Massachusetts on May 1, 1986. [5]

4. Adding machine - Wikipedia

   en.wikipedia.org/wiki/Adding_machine

   The machine cycled once. To see the total the user was required to press a Total key and the machine would print the result on a paper tape, release the locked down keys, reset the adding mechanism to zero and tabulate it back to its home position. Modern adding machines are like simple calculators. They often have a different input system, though.

5. StorageTek tape formats - Wikipedia

   en.wikipedia.org/wiki/StorageTek_tape_formats

   This form factor has proven to work well with stand alone drives and for use in automated tape libraries. Nearly all 1/2" tape formats today are a single hub design, whereby the tape is wound onto a single hub, entirely within the external shell and presents one end for the tape drive to engage and thread into the tape drive for reading or writing.

6. HP-41C - Wikipedia

   en.wikipedia.org/wiki/HP-41C

   The HP-41C series are programmable, expandable, continuous memory handheld RPN calculators made by Hewlett-Packard from 1979 to 1990. The original model, HP-41C, was the first of its kind to offer alphanumeric display capabilities.

7. Calculator - Wikipedia

   en.wikipedia.org/wiki/Calculator

   Made in Japan, this was also the first calculator to use an LED display, the first hand-held calculator to use a single integrated circuit (then proclaimed as a "calculator on a chip"), the Mostek MK6010, and the first electronic calculator to run off replaceable batteries. Using four AA-size cells the LE-120A measures 4.9 by 2.8 by 0.9 inches ...