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What differentiates “CE” and “C” buttons on Calculator?

The history of calculator goes all the way back to 1640s, when a French mathematician Blaise Pascal invented the first smart machine in 1642 which was capable of performing mathematical calculations. Since then there had been a remarkable modification and upgrade in the design and technology used to develop computing devices.

In 1966 , the first hand-held pocket calculator was invented in Texas. Calculator has certainly made the life easy when it comes to performing mathematical calculations. It enables users to compute large chunks of mathematical data within seconds.

Difference Between “CE” and “C” :

While using Calculator , you would have certainly come across buttons “CE” , “C” , “CA”. Have you ever wondered what these buttons stands for. People often use these button interchangeably without realizing that there is a slight difference in the functioning of these buttons. Lets find out what it is.

“CE” stands for Clear Entry which if pressed would clear the last entry. The advantage of “CE” is that while doing a large calculation , it allows you to delete the just the last input by keeping intact all entries and mathematical functions entered prior to last entry. So if a wrong input is being entered , there isn’t a need to type the complete sequence again , we can just remove the last entry.

“C” or “CA” stands for Clear or Clear All which as the definition suggests would clear the entire calculation and the sequence would have to be entered again. This button is used when all inputs are to be cleared and we want to start calculation all over again.

Below examples would illustrate the difference between the two better.

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Suppose, we need to delete this 73 , this can be done by clicking the CE button.

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As CE was pressed , only 73 was deleted while all other digits are unchanged.

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If we need to delete the complete sequence , we would then delete “C”.

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