The FX300MS Plus calculator features a two-line display and supports complex number calculations, algebra, calculus, and 18 levels of parentheses. Always powered up, it's just as useful in a household or office for all your calculating needs, from finances to converting cooking measurements, and for anything else you can think of when you wish you had a calculator at hand. The large, readable two-line display exhibits 10 digits, shows the problem as you write it, and then shows the answer alongside, permitting better tracking of your equation-solving process. With the Casio FX300MS, if you make an input error, you can quickly clear it with the backspace key. Tap the auto replay function to check your last equation. You can also use 229 built-in mathematics functions, enter fractions, raise y to the x power, figure standard deviations, process degree/radian/grad conversions, calculate sine, cosine, tangent, and inverse, and compute permutations and combinations. Plus, call upon the FX300MS's basic scientific, exponential, and trigonometric functions for everything you need to complete your assignments and lab work. Key in and program formulas to save for future uses. The FX300MS provides one independent and six constant memory keys. It has an efficient key layout, making this an easy-to-use basic scientific calculator, offering all the functions you'll need in a solidly constructed unit. And solar power means never replacing batteries; the backup battery assures you'll always have power when you need it.