1970
Toy Kiehn
The oldest calculator, the abacus, was invented in ancient Egypt(unknown date). The first Mechanical calculator, known as the Calculating clock, was invented by Willhelm Schickard in 1623. The first electronic desktop calculator were announced by the Bell Punch Co, in Uxbridge England in 1961. Finally, the first handheld computer was invented in 1980.
1972
First, here are the keystrokes in algebraic notation: 2 x 3 <enter> Here is the same thing in RPN: 2 <enter> 3 x RPN is supposed to be easier to program on a handheld calculator.
The first adding calculator machine was invented by Blaise Pascal.
Willim Seward Burroughs was the first to create a working calculator.
Hewlett Packard introduced the first handheld scientific calculator in 1972 and that became the first ever handheld computer to be invented.
The handheld electronic calculator was made possible by the development of VLSI integrated circuits (1000 to 10000 logic gates per chip). Hewlett Packard introduced the first one with their HP-35 model.
1970
Blaise Pascal
To be more of a convenience for people.
If you're talking about any type, the abacus was the first calculator. It was made by the ChineseThere was then the large, room sized computer calculator.The electronic handheld types used today...Sorry Don't know.I remember about.com or wikipedia.org had some information...
The answer is "you can count on me." But of course, you do not "count" on a calculator: you calculate. You can count on your fingers, or on an abacus, or a handheld tally counter.
The oldest calculator, the abacus, was invented in ancient Egypt(unknown date). The first Mechanical calculator, known as the Calculating clock, was invented by Willhelm Schickard in 1623. The first electronic desktop calculator were announced by the Bell Punch Co, in Uxbridge England in 1961. Finally, the first handheld computer was invented in 1980.
abacus Casio made the first graphing calculator in 1985.
The first pistols were made as early as the 15th century, but their creator is unknown.
1979 Milton Bradley Company release Microvision the first handheld with cartridges Nintendos first handheld the the Game & Watch not the Game Boy
8.4439177559686645954870429037094e+416 (Computer Calculator)Ma ERROR "Memory Error" (Handheld Scientific Calculator)E "Error" (Basic Calculator)