1.What is an abacus?
2.What is Napier's bone?
3.Who invented Pascaline?
Answers
Answer:
abacus
Step-by-step explanation:
We can say abacus as math playing instrument u can multiply and addition ...
Answer:
answer right hai kya
Step-by-step explanation:
(1)
simple device for calculating, consisting of a frame with rows of wires or grooves along which beads are slid.
(2)
Napier's bones is a manually-operated calculating device created by John Napier of Merchiston, Scotland for the calculation of products and quotients of numbers. The method was based on lattice multiplication, and also called 'rabdology', a word invented by Napier.
(3)
Mathematician and inventor Blaise Pascal was born in Clermont-Ferrand, France on June 19, 1623. His mother passed away when he and his two sisters were very young, and their father Étienne became solely responsible for their upbringing.