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2. HP-25 - Wikipedia

   en.wikipedia.org/wiki/HP-25

   The HP-25 was a hand-held programmable scientific/engineering calculator made by Hewlett-Packard between early January 1975 and 1978. The HP-25 was introduced as a cheaper (US$195 MSRP) alternative to the ground-breaking HP-65. To reduce cost, the HP-25 omitted the HP-65's magnetic card reader, so it could only be programmed using the keyboard ...

3. Programmable calculator - Wikipedia

   en.wikipedia.org/wiki/Programmable_calculator

   Calculators supporting such programming were Turing-complete if they supported both conditional statements and indirect addressing of memory. Notable examples of Turing complete calculators were Casio FX-602P series, the HP-41 and the TI-59. Keystroke programming is still used in mid-range calculators like the HP 35s and HP-12C.

4. 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]

5. HP calculators - Wikipedia

   en.wikipedia.org/wiki/HP_calculators

   A basic scientific calculator, using infix notation, barely programmable and with no graphing capabilities. HP-21: 1975 Scaled-down HP-25. HP-21S: 1989 An algebraic, keystroke programming calculator. HP-22S: 1988 An algebraic scientific/statistics calculator. HP-25: 1975 Smaller programmable model with programs up to 49 steps.

6. Tape dispenser - Wikipedia

   en.wikipedia.org/wiki/Tape_dispenser

   Prior to the development of the tape dispenser, 3M's standard clear scotch tape was sold as a roll, and had to be carefully peeled from the end and cut with scissors. To make the product more useful, the scotch tape sales manager at 3M, John Borden, designed the first tape dispenser in 1932, which had a built-in cutting mechanism and would hold the cut end of the tape until its next use.

7. Stapler - Wikipedia

   en.wikipedia.org/wiki/Stapler

   The first machine to hold a magazine of many pre-formed staples came out in 1878. On February 18, 1879, George McGill received patent 212,316 [9] for the McGill Single-Stroke Staple Press, the first commercially successful stapler.