The abacus has been around for millennia, in various countries. No record of the inventor was made.
Abacus was invented by the Chinesethe abacus was also known as the first computer
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.
If he isn't the inventor, that probably means that somebody else invented it. Look it up on Wikipedia - it seems that the abacus was already used thousands of years ago.d
the abacus is made by the Egyptian in Egypt.
The abacus has been around for millennia, in various countries. No record of the inventor was made.
Abacus was invented by the Chinesethe abacus was also known as the first computer
Ramon Agpoon is the inventor of "Dragon Fire Stove"
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.
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If he isn't the inventor, that probably means that somebody else invented it. Look it up on Wikipedia - it seems that the abacus was already used thousands of years ago.d
Xylophone
the abacus is made by the Egyptian in Egypt.
I think what you are asking is an abacus. Some people say that the Abacus was invented before any other counting device so many thousands or years ago that the inventor is not known
the history about the abacus is that 3000 years ago the chinese invented the abacus. The abacus was made of wood parrelel rod and beads.
a Filipino biologists and the inventor of solar engine
Angel Alcala is a Filipino inventor of artificial coral reefs and Benjamin Almeda is also a Filipino inventor who built a machine that process foods. Galileo was also an inventor, he builds his own telescope and Anton van Leeuwenhoek, who invented a modern microscope are some of the foreign inventors.