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Wed, 16th Nov '05 11:55 PM


I have been wondering this for years...

Violetblue  (Level: 112.2 - Posts: 853)
Thu, 17th Nov '05 12:21 AM

Do you mean counting on one's fingers?

Redbaron  (Level: 205.8 - Posts: 296)
Thu, 17th Nov '05 12:45 AM

A lot depends on your definition of "calculator." Assuming you're referring to the first pocket-sized electronic calculator, it appears based on some Googling to have been invented by a company called Bowmar in the form of the Bowmar 901B. See:

I didn't find a person's name credited with inventing this calculator.


Asdibbens  (Level: 159.4 - Posts: 423)
Thu, 17th Nov '05 12:56 AM

Texas Instruments claims to have invented the first hand held electronic calculator. Seems like a lot of qualifiers on that statement of theirs. Charles Babbage invented the first calculating machine circa 1830, but even that owes a lot to the abacus.

Asdibbens  (Level: 159.4 - Posts: 423)
Thu, 17th Nov '05 1:03 AM

Oh just found this on the Computer History Museum Website under the Texas Instruments display -

Jack Kilby: Integrated Circulit (1958), First Electronic Hand-Held Calculator (1967)

Ronkon  (Level: 94.7 - Posts: 99)
Thu, 17th Nov '05 1:27 AM

rotfl violet!!!!

Twinboymom2001  (Level: 67.0 - Posts: 197)
Thu, 17th Nov '05 8:44 AM

I know Charles Babbage was credited to the first calculator, but I think TI has the first electronic calculator.

As a side note, Charles Babbage is my great-great-great-great uncle!

Tuzilla  (Level: 144.7 - Posts: 3839)
Thu, 17th Nov '05 9:30 AM

I remember buying my first calculator in the very early 70's. It cost almost $100.00 and did add, subtract, multiple, divided, square root and percent. Now they give away ones the size of a credit card that do more.

Marynuala  (Level: 140.2 - Posts: 996)
Thu, 17th Nov '05 3:27 PM

Justin - The first calculator was invented for tax collection purposes in 1640. The inventor was a Frencman named Blaise Pascal. I hope this little bit of information helps.

Redbaron  (Level: 205.8 - Posts: 296)
Thu, 17th Nov '05 5:10 PM

Pascal's device was the second automatic calculator...The first was invented in 1623 by Wilhelm Schickard in 1623.

Jack Kilby (a giant figure in the electronics world; he invented the integrated circuit without which the computing revolution would not have been possible) is credited with the first patent on a hand-held calculator, I believe, but it appears from some research (Wikipedia, etc.) that both Sharp and Canon (both Japanese companies) came out with hand-held (if you call a device weighing a full pound "hand held") calculators in 1970. HP had the first scientific calculator in 1972 with the HP-35. TI's SR-10 didn't come out until 1973. The Bowmar unit I wrote about earlier came out in 1971 and was pocket-sized, even smaller than "hand-held," and as far as I can tell, was the first pocket-sized, hand-held, electronic digital calculator.

I, too, remember getting my first calculator in the 1970s...I was truly amazed by the device at the time.

Now, depending on your personal belief system and using Violet's excellent definition of "digital calculator" , it could be argued that either Adam or Eve invented the first.


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