the seventeenth
766 + 876 = 1642 1642 / 2 = 821
The abacus was invented by the Sumerians in 2,700 BCE, not in 1642 ACE
−85
Let's create a happy little math problem here. If we take the year 1642 and subtract 1564 from it, we find that it's 78 years. That's a whole lifetime of opportunities to paint some beautiful landscapes and happy little trees.
It was Blaise Pascal that invented the adding machine in 1642. He invented this machine to help ease the burdens of his father who worked as a clerk at the time.
No, 1642 was in the 17th century.
Blaise Pascal along with Wilhelm Schickard was one of two inventors of the mechanical calculator in the early 17th century. Pascal designed the machine in 1642.
Galileo lived in the 16th and 17th century
1642=MDCXLII
(720) 58(720) 580-16420-1642
1 2 821 1642.
1642
1642 in Scientific Notation = 1.642 x 103
766 + 876 = 1642 1642 / 2 = 821
Galileo Galilei lived from 15 February 1564 to 8 January 1642, which was towards the end of the Italian Renaissance (1300 to 1600). (http://en.wikipedia.org/wiki/Galileo) (http://europeanhistory.about.com/od/italyandthecitystates/tp/keyeventsitaly.02.htm)
1642 she was 50 when she was accused in 1692 1692-50=1642
The abacus was invented by the Sumerians in 2,700 BCE, not in 1642 ACE