A four-function calculator is one that performs addition, subtraction, multiplication and division functions. Many such calculators have additional functions such as the square root and exponents.
Know MoreA four-function calculator is the simplest type of pocket calculator and is suitable for basic arithmetic. Calculators with higher functioning abilities are either scientific calculators or graphing calculators, both of which can also perform the functions of a four-function calculator. Scientific and graphing calculators can perform computations on data sets and have built-in complex functions such as linear regression. In some math courses, scientific and graphing calculators are prohibited during exams because students are required to perform these complex functions without assistance.
Learn more about Math CalculatorsWith a regular calculator using basic math functions, it is possible to calculate percentages. To calculate percentages on a regular calculator, find the difference between the two numbers be compared, then divide that number by the original number and multiply by 100. The result is a percent increase or decrease.
Full Answer >Converting decimal to binary requires repeated division by 2 and taking the remainder to determine whether a given placeholder of the digit is 0 or 1. If there is a binary converter online, it's possible to simply enter the decimal number and let the program do the work. Knowing how to do it manually is useful to computer programmers.
Full Answer >To figure out the square footage of an area, you will need a measuring tape and possibly a calculator. Measure length and width and then multiply the two together. The process should take less than five minutes.
Full Answer >To use an annuity fund calculator, go to a financial website and enter the information required to perform the calculations. Annuity funds are investments that can create a stream of income, increase a person's retirement savings or protect a person's savings, states Fidelity Investments. Annuity fund calculators can be found on investment sites, such as Fidelity and Bank Rate.
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