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EARLY COMPUTING DEVICE

jacquards automatic loom. in 1801, a french weaver found a way to weave good looking

clothes faster. his name was joseph marie jacquard. he invited the first automatic weaving

loom that follows instructions from a punched card. the punched holes worked like a

pattern used for making cross-stitched designs. the instructions were punched on a card

which was fed into the machine. he called it the jacquards automatic loom.

JACQUARDS THE ABACUS. ABOUT 4,000 YEARS AGO, THE CHINESE

INVENTED THE ABACUS. IT IS AN ADDING TOOL THAT CAN HELP YOU

ADD AND SUBTRACT NUMBERS BY MOVING BEADS BACK AND FORTHON RODS. THE ABACUS WAS ONE OF THE EARLIEST COUNTING

DEVICES INVENTED TO HELP MAN SOLVE HIS COUNTING PROBLEMS.

lEIBNITZ cALCULATOR. aROUND 1670, A gERMAN

MATHEMATICIAN NAMED gOTTFRIED lEIBNITZ

INVENTED ANOTHER COUNTING MACHINE WHICH

HE CALLED lEIBNITZ cALCULATOR. tHIS

MACHINE WORKS BETTER THAN THE FIRST TWO

INVENTIONS (aBACUS AND pASCALINE) BECAUSE

IT COULD ADD, SUBTRACT, MULTIPLY, AND

DIVIDE. iT CAN EVEN FIND THE SQUARE ROOT OF

NUMBER.

Leibnitz The Pascaline. In 1600s, A man named Blaise Pascal worked

with his father in the court. His task was to count money his

father collected from there. Every time he makes a mistake

in counting the money, he had to start counting all over

again. Because of this, he invented accounting machine. This

machine could count faster than the abacus. It could add and

subtract long numbers without making mistake. He called it

the Pascaline which he named after him.

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lEIBNITZ cALCULATOR. aROUND 1670, A gERMAN

MATHEMATICIAN NAMED gOTTFRIED lEIBNITZ

INVENTED ANOTHER COUNTING MACHINE WHICH

HE CALLED lEIBNITZ cALCULATOR. tHIS

MACHINE WORKS BETTER THAN THE FIRST TWO

INVENTIONS (aBACUS AND pASCALINE) BECAUSE

IT COULD ADD, SUBTRACT, MULTIPLY, AND

DIVIDE. iT CAN EVEN FIND THE SQUARE ROOT OF

NUMBER.

JACQUARDS THE ABACUS. ABOUT 4,000 YEARS AGO, THE CHINESEINVENTED THE ABACUS. IT IS AN ADDING TOOL THAT CAN HELP YOU ADD ANDSUBTRACT NUMBERS BY MOVING BEADS BACK AND FORTH ON RODS. THEABACUS WAS ONE OF THE EARLIEST COUNTING DEVICES INVENTED TO HELP

MAN SOLVE HIS COUNTING PROBLEMS

Leibnitz The Pascaline. In 1600s, A man named Blaise Pascal workedwith his father in the court. His task was to count money his

father collected from there. Every time he makes a mistake

in counting the money, he had to start counting all over

again. Because of this, he invented accounting machine. This

machine could count faster than the abacus. It could add and

subtract long numbers without making mistake. He called it

the Pascaline which he named after him.