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Standard 4 Function Calculator
The calculator provides four lines of different functions with a "Topaz" ring around the outer edge providing the current value of the result. The analog dial found on the face of the calculator provides consistent feedback for the user.
If you’re a student, there might be times when you are allowed to use a four-function calculator in class or on exams. Some standardized tests allow students to use simple calculators on certain parts of an exam. Students who have certain learning disabilities might be allowed to use a four-function calculator during exam sections that usually forbid the use of a calculator. The most basic of four-function calculators will let you perform the four basic mathematical operations. But some simple calculators have a few more bells and whistles. For example, it’s not uncommon for a four-function calculator to also be able to calculate the square root of a number. Many models also have a “%” button that lets you work with percents, rather than inputting the number as a decimal But if you’re taking an algebra course or are in a higher-level math course, you might be on the lookout for a calculator that can do a bit more than basic math. A scientific calculator is a device designed to perform mathematical, scientific and engineering functions. It usually has a memory setting and can store information about equations.
A graphing calculator is even more complex and advanced than a scientific calculator. It usually has a relatively large screen, which allows it to display graphs and charts. Typically, a graphic calculator can come in handy if you’re taking a math class such as calculus or are in a field that requires you to solve advanced equations regularly. (Source: www.reference.com)
is 9 because the expression is evaluated by first multiplying 2 and 4 and then by adding 1 to the result. This is how the on-screen four-function calculator performs the operations. (Note that many basic calculators follow a different convention, whereby they perform multiple operations in the order that they are entered into the calculator. For such calculators, the result of entering
The most basic of four-function calculators will let you perform the four basic mathematical operations. But some simple calculators have a few more bells and whistles. For example, it’s not uncommon for a four-function calculator to also be able to calculate the square root of a number. Many models also have a “%” button that lets you work with percents, rather than inputting the number as a decimal. (Source: www.reference.com)