Blaise Pascal, France, 1642: invented the mechanical calculator. William Seward Burroughs in 1885 in New York, USA, constructed his first adding machine; though it proved commercially impractical, he patented a practical model in 1892
The FIRST calculator was the abacus- made so long ago, we have no records of who invented it.
Blaise Pascal created a mechanical calculator in1620, but the first successful calculator was Thomas de Colmar in France in 1820.
Electronic calculators came after the creation of computers during WW 2. IBM and Sharp created some of the earliest electronic calculators.
1970
when was the first hand held organizer made
The first hand-held calculator was invented at Texas in 1967.
Hewlett Packard introduced the first handheld scientific calculator in 1972 and that became the first ever handheld computer to be invented.
martin cooper
Blaise Pascal
abacus Casio made the first graphing calculator in 1985.
A: The first that i ever bought was a HP 41 did they invented that i do not know.
The first electronic calculator made was the Bell Punch ANITA MK7 made in England in 1961 and unique in the world untill 1964 when the US, Japan and Italy launched their own electronic calculators.
some are wood.
made for everyone and first it was made for math teachers and sciences
The best hand held shovels that do not rust are made out of polypropylene. They will not rust or corrode.