what year was the graphing calculator invented
he invented it when he invented braille.
the adding machines were invented in 1878
1965
1994
Gun powder was invented by Chinese in the ninth century. It was an accidental discovery by a pharmacist. Someone combines sulphur and saltpeter with characal.
what year was Chilaquiles invented
the year tv was invented
Tally was invented in the year 1988
It was the same year that they invented the VCR.
Your mom is what year they were invented
what year was movable type invented what year was movable type invented
toothbrush was invented in the year 1939
what year were nails invented
when did robot asumi invented? and who invented robot asumi? what year did robot asumi invented?
The year of 1920.
what year were the head phones invented