Search results
Results from the WOW.Com Content Network
As the first electronic educational toy, [6] [7] the Little Professor is a common item on calculator collectors' lists. [8] In 1976, the Little Professor cost less than $20. More than 1 million units sold in 1977. [9] The second generation Little Professor was designed by Mark Bailey whilst working for Raffo and Pape.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Curta. Curta Type I, on display at the Musée des Arts et Métiers, Paris. The Curta is a hand-held mechanical calculator designed by Curt Herzstark. [1] It is known for its extremely compact design: a small cylinder that fits in the palm of the hand.
HP-35 calculators were carried on the Skylab 3 and Skylab 4 flights, between July 1973 and February 1974. [ 6 ] Is the first pocket calculator with a numeric range that covered 200 decades (more precise 199, ±10 ±99 ).
e. In the United States, the Electoral College is the group of presidential electors that is formed every four years during the presidential election for the sole purpose of voting for the president and vice president. The process is described in Article Two of the Constitution. [1] The number of electoral votes exercised by each state is equal ...
The stepped reckoner or Leibniz calculator was a mechanical calculator invented by the German mathematician Gottfried Wilhelm Leibniz (started in 1673, when he presented a wooden model to the Royal Society of London [2] and completed in 1694). [1] The name comes from the translation of the German term for its operating mechanism, Staffelwalze ...
Arithmometer. The arithmometer (French: arithmomètre) was the first digital mechanical calculator strong enough and reliable enough to be used daily in an office environment. This calculator could add and subtract two numbers directly and could perform long multiplications and divisions effectively by using a movable accumulator for the result ...
Joseph Lyle Menendez (born January 10, 1968) [3] and Erik Galen Menendez (born November 27, 1970), [4] colloquially referred to as the Menendez brothers, are American brothers and convicted murderers who killed their parents, José and Mary Louise "Kitty" Menendez, at their Beverly Hills home in 1989. Following the murders, Lyle and Erik ...