Calculators have changed the lives of many people, including students and teachers.  They can do almost anything in the mathematical world, except prevent a student’s dog from eating his/her homework.  Calculators have been helping people in the mathematical world since as far back as the 1600s.  Although the devices back then were not battery operated nor had buttons to push, both did similar things.  Just like in the past, calculators today can be used to add, subtract, multiply, and divide.  Nowadays, however, calculators can do even more, such as statistics, trigonometry, logarithms, graphing, and much more.  This has helped students and teachers reduce homework and lecture time, focus more on the task at hand, and decrease the amount of mathematical errors.  Instead of working out complicated problems that have large numbers, decimals, and fractions on a piece of paper a person can type in the information into their calculator.  They receive their answer in a matter of seconds instead of minutes.  Also, the students and teachers reduce the risk of getting an incorrect answer due to them forgetting to carry a number or a sign.  In addition, if the student is new at solving a specific problem, such as a quadratic equation, they can focus more on the steps in solving the problem instead of adding, subtracting, multiplying, or dividing the numbers in it.  Lastly, calculators are great for teachers because it reduces the time and errors when grading and recording papers.  Calculators have and will continue to make a big difference in not only mathematics but in almost every study imaginable.

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