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How Do You Do on a Calculator OR

# How Do You Do on a Calculator

The calculator is a ubiquitous staple of the classroom, the office, and even some people’s pockets. But how do you know how to use the thing right?

### Use

Although people often ignore it because they do not fully understand it, the percent key on a calculator can be an invaluable tool. When you wish to figure out what a specific percentage is of another number or a number equation, you can simplify this process by using the percent key on your calculator. Once you understand how it works and see how you can use this key, you may use it often.

Like all other electronic devices, calculators work by processing information in binary form. We're used to thinking of numbers in our normal base-ten system, in which there are ten digits to work with: 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. The binary number system is a base-two system, which means there are only two digits to work with: 0 and 1. Thus, when you input numbers into a calculator, the integrated circuit converts those numbers to binary strings of 0s and 1s. (Source: www.wonderopolis.org)

### Number

Is that your explanation? It converts to binary and back? I think you forgot the meat and potatoes here. Allegedly, it uses logs, but you cannot tell me every base 10 log for every number is stored in a calculator. You can say as numbers advance, they can be factored to smaller numbers, but you would be glossing over prime numbers! So, what's the real deal with calculators? Bonus q: How can they do square roots?

Welcome, Mrs. Larrivee’s ELL Group! "The binary number system is a base-two system, which means there are only two digits to work with: 0 and 1. Thus, when you input numbers into a calculator, the integrated circuit converts those numbers to binary strings of 0s and 1s." We hope this helps! Thanks for WONDERing with us! :) (Source: www.wonderopolis.org)

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