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2. HP-65 - Wikipedia

   en.wikipedia.org/wiki/HP-65

   The recording area used only half of the width of the card. While reversing the card to store a second program was possible, it was officially discouraged (unlike in later models such as the HP-67) because the other half of the card was touched by the rubber wheel during transport, causing extra abrasion. When inserted into an extra slot ...

3. Robert Half - Wikipedia

   en.wikipedia.org/wiki/Robert_Half

   Robert Half Inc. is an international human resource consulting firm founded in 1948, based in Menlo Park and San Ramon, California. It is among the world's largest accounting and finance staffing firms, with over 345 locations worldwide.

4. Model K (calculator) - Wikipedia

   en.wikipedia.org/wiki/Model_K_(calculator)

   Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

5. Mechanical calculator - Wikipedia

   en.wikipedia.org/wiki/Mechanical_calculator

   The first half of the 20th century saw the gradual development of the mechanical calculator mechanism. The Dalton adding-listing machine introduced in 1902 was the first of its type to use only ten keys, and became the first of many different models of "10-key add-listers" manufactured by many companies.

6. Human processor model - Wikipedia

   en.wikipedia.org/wiki/Human_processor_model

   Human processor model or MHP (Model Human Processor [1]) is a cognitive modeling method developed by Stuart K. Card, Thomas P. Moran, & Allen Newell (1983) used to calculate how long it takes to perform a certain task.

7. Slide rule - Wikipedia

   en.wikipedia.org/wiki/Slide_rule

   The pocket-sized Hewlett-Packard HP-35 scientific calculator was the first handheld device of its type, but it cost US$395 in 1972. This was justifiable for some engineering professionals, but too expensive for most students. Around 1974, lower-cost handheld electronic scientific calculators started to make slide rules largely obsolete.

8. Play Just Words Online for Free - AOL.com

   www.aol.com/games/play/masque-publishing/just-words

   If you love Scrabble, you'll love the wonderful word game fun of Just Words. Play Just Words free online!

9. Marchant Calculating Machine Company - Wikipedia

   en.wikipedia.org/wiki/Marchant_Calculating...

   Marchant XLA calculator, based on Friden's design. The Marchant Calculating Machine Company was founded in 1911 by Rodney and Alfred Marchant in Oakland, California.. The company built mechanical, and then electromechanical calculators which had a reputation for reliability.