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2700 BCE
Abacus
This is the creation of the abacus one of the oldest ancestors of the modern-day calculator it was made by China in 200 bc but abacus-like items had been used by the Mesopotamians as old as 2700 bc. -
Mechanical calculator
This is very close relative to the modern-day calculator, it was made in 1642 by Blaise Pascal. -
Ti-84
The ti-84 is a 'modern day' item. It is a graphing calculator used by students and adults worldwide. Even though this calculator was made in 2004 it is still one of the best and is still recommended by many people. -
Chip
This chip if implanted into the brain can let you use functions just with your brain. It can replace many things including a calculator, smartphone, and computer just to name a few.
