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The First Calculator
The calculator was invented by John Naiger. It was similar to the modern day multiplication table. -
The First Mechanical Calculator
The first mechanical calculator was made by willhelm schickard. It could add, subtract, and multiply. -
First Electric Calculator
The very first fully electric calculator is introduced in England. -
Battery Calculator
The first battery powered, handheld calculator is put on the market. -
The Scientific Calcuator
The very first scientific calculator is introduced. The Hewlet-Packard HP-35. -
Completely Electrical
Mechanical calculator production dies and prices of electrical calculators are lowered. -
Solar Power
The first solar power calculators are put on the market. -
Today
Today we have calculators of all shapes and sizes with limitless functions.