Greatest+Invention+of+the+19th+Centuryjfw

Calculators William Seward Burroughs Born 1857 Rochester, N.Y - Died 1898 In 1885, Burroughs filed his first patent for a calculating machine. However, his 1892 patent was for an improved calculating machine with an added printer. William Seward Burroughs invented the first practical adding and listing machine - National Inventors Hall of Fame. William Seward Burroughs Inventor of the first workable adding machine, was born in rural New York in 1855.

=What is the name of the invention? calculator= =What is the name of the inventor? William Seward Burroughs= =When was it invented? 1885= =Why was it invented?to add things= =What did it do?add numbers= =In what other ways did it change the way people lived? made life easier= =What did this invention replace? mentle math= =What was the biggest impact it made on people's lives?= =How was the future changed because of this invention? you didnt have to add on paper= = Did the invention ultimately have a impact on your life? it makes math a lot easier then it really is = = =