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Thanks to calculators, slide rules and mathematical tables are a thing of the past. O.biz carries wholesale calculators and accessories for home or office use. So, both students and professionals can find the right tool for the type of work they're doing. You'll find desk calculators with large buttons and displays and scientific calculators for graphing and higher mathematical functions.

Most offices use calculators for quick mathematical functions, such as addition, multiplication and percentages. In most cases, you want wholesale calculators and accessories that are easy to use and read. Office electronics with large buttons and displays are simple to use because you're less likely to hit multiple tiny buttons at once. And larger displays are easier to read. Often, a small solar strip is included somewhere on the unit, providing more than enough power for the calculator to function, so batteries aren't needed.

Scientific calculators are used by students and professionals for trigonometry, calculus and graphing functions. O.biz carries multiple models of wholesale calculators and accessories, and each scientific calculator uses different input functions to perform mathematical operations, display graphs and store data. Students may want to check with instructors for specifications before they shop for wholesale calculators and accessories, as their classes may have special requirements.

O.biz's wholesale calculators and accessories come from several manufacturers, so the power requirements may be different for each. Check to see whether your calculator uses disposable batteries or a built-in rechargeable battery.