A calculator is a device that performs arithmetic operations on numbers. The first mechanical calculators were invented in the early 1600s and since then, there have been many diverse types of calculators developed. Today, there are electronic calculators that can perform a wide range of mathematical operations. Calculators are used for a variety of purposes,… Read More
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To calculate is to determine an amount, quantity, or rate by mathematical means. In other words, it is to figure something out. When we calculate, we use numbers and equations to find a solution. There are many different ways to calculate things. For example, we can use mental math when we do the math in… Read More
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