Take care of your next project, assignment, test or more with this Casio FX-115ESPLUS Scientific Calculator. It is the ideal choice for both high school and college students as it comes with 417 built-in functions. This two-way power calculator has a natural textbook display that shows the formula and results exactly as they appear in the textbook. It also offers improved math functionality with standard deviation, multi-replay function, logarithm log and list-based STAT data editor. This Casio FX-115ESPLUS Scientific Calculator is ideal for coursework in general math, pre-algebra, algebra I and II, geometry, trigonometry, statistics, calculus, biology, chemistry, physics and engineering. An included slide-on hard case keeps it protected during and after use.