Are you looking for a calculator for school or university? School calculators offer a wide range of functions, including solving difficult formulas and tasks.
Texas Instruments calculators are recommended for high school exams. Permitted calculators for exams are TI-30 ECO RS, SHARP Advanced EL-531 XH, TI-30X IIS, Sharp EL-501 X-GR.
A desktop calculator with a readable display and large keys makes your work easier if you're juggling columns of numbers.