Whether you’re a middle schooler starting Algebra I, a college student enrolled in a calculus course, or a professional accountant, having a dedicated calculator is essential. Specifically designed for simple straightforward use, these user-friendly devices allow you to perform a wide range of calculations quickly, and powerful models can even tackle extremely complicated calculus equations. And yeah, when it comes to simple math, sure you can use your smartphone, but there’s something about the physical buttons and single-function design that still makes basic calculators useful to have around. The Best CalculatorsBEST OVERALL TI-84 Plus CE Graphing Calculator $129 TEXAS INSTRUMENTS...