Like I said, I never needed to replace any so as far as I’m concerned, with regular everyday use this battery is super long lasting! Most purchases from business sellers are protected by the Consumer Contract Regulations 2013 which give you the right to cancel the purchase within 14 days after the day you receive the item. Converts between Standard form and a Decimal: This calculator can transform a displayed decimal calculation result to a fraction or mixed number.

Also, the alpha save function allows you to carry exact answers in further calculations, super handy! New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging .There is no a piece of rubber on the back of the calculator to stop it from sliding all over the table. Recommended for high school and college students learning Algebra II, Trigonometry, Statistics, Calculus, Engineering, and Physics. Calculate linear regression, quadratic regression, logarithmic regression, e exponential regression, ab exponential regression, power regression and inverse regression.

The label for the constant and conversion factor table is applied canted slightly on the inside of the hard cover. The latter will display both the quotient and remainder, but if used in a chain calculation only the quotient is retained.FX-115ES PLUS has been designed to be the perfect choice for high school and college students learning General Math, Trigonometry, Statistics, Algebra I and II, Calculus, Engineering, Physics. I bought the Casio fx-115ES last weeks and was immediately impressed with the number of features available on this inexpensive calculator. The Casio FX-115ESPLS2-S 2nd Edition Scientific Calculator with slide on hard case and sleek new design with Natural Textbook Display, in addition to advance Statistics, Matrix, and Conversion functionality, is a perfect choice for high school and college students. Simultaneous and Polynomial Solver: This calculator will solve simultaneous linear equations with two unknowns, simultaneous linear equations with three unknowns, quadratic equations and cubic equations.