Fx55 casio calculator Calculators

* Teacher Kit contains 10 FX55 Fraction Mate Calculators, poster, teacher guide and carrying case. * Hard, plastic, tamperproof keys. * Large, color-coded function keys. * Dual power (solar & battery). * Extra large 8-digit LCD display with 2-digit exponent. * Floating negative sign appears to the left of the number displayed. * Addition, subtraction, multiplication, division. * Constants for + ,-, x, /. * Integer division with remainder. * Reciprocal key reverses fraction numerator and denominator. * Converts from fraction to decimal and vice-versa. * Performs operations in familiar M-D-A-S order. * 18 levels of parentheses. * Ability to clear last and/or all entries. * Fixed decimal capability. * Backspace/correction key. * 4 key memory. * Large decimal point. * 3-digit separator. * "True" fraction display. Shows numerator over denominator as written in textbooks. * Overhead projectable model available. Receive an overhead model free from Casio with every purchase of 90 FX-55's. * Instructional materials available in English and Spanish. * Impact resistant slide-on case with quick reference card. * Converts between mixed and improper fractions instantly. * Simplification key reduces fractions, step-by-step, to their lowest common denominator and displays the reduction factor, too. * Change sign (+/-), percent, square root keys.