No, the Mesopotamians did in the 3rd Millennium
BCE.
yes
To have a type of abacus to use.
The Abacus is ancient and the inventor of the original is unknown. Lee Kai Chen did however invent an improved abacus with a movable decimal point and two auxiliary fields for use in complex operations. This abacus was named after himself.
They didn't
His version is dated 1692 but actually the abacus was invented in China hundreds of years before. Dr Cranmer enhanced it for the blind.
yes
No, the Abacus was invented by the Sumerians in 2,700 BCE
The Greeks did not invent pizza.
its called the abacus
To have a type of abacus to use.
i don't know, find it out !
the olympics
! well I'm Greek so i should know that the ancient Greeks DID invent democracy!
yes the greek did invent the flamethrower
no
300b.c
maybe