Casio FX991ES-PLUS 417 Functions, Natural Textbook Display. The Casio FX991ES-PLUS 417 Functions a scientific calculator ideal for secondary school and university degrees with natural ‘natural textbook display’ to display formulas and results exactly as in textbooks. Equipped with 417 functions, including: Equation resolution, calculation of synthesis values and variability indexes, matrix and vector calculation, regression and correlation coefficients, complex numbers, calc key (temporary memory formula), 40 physical constants, integral and differential calculus Combined power supply: Solar and alkaline button cell LR-44. Key Features Casio FX991ES-PLUS 417 Functions, Natural Textbook Display Simple and easy to use: Optimal education tools realised through a design that emphasises comfort in the hand, legibility, and usability through the pursuit of simplicity Authentic quality: Excellent quality and authentication ensure confidence and peace of mind for use in educational settings Two-way power (Solar Battery) Solar powered when light is sufficient, battery powered when light is insufficient. Plastic keys Designed and engineered for easy operation. Natural V.P.A.M. display Display expression same as textbook. List based STAT-data editor Viewing and editing of input data in list format, showing data groups (x-data, y-data, frequency) and surrounding data. Multi-replay Quick and easy recall of previously executed formulas for editing and re-execution. 10 2 digits 10-digit mantissa 2-digit exponential display. Dot matrix display High-resolution screen provides beautiful looking graphs every time. General Specifications Casio FX991ES-PLUS 417 Functions, Natural Textbook Display Two way power 417 Functions Full Dot Display Plastic Keys Integration / Differential Equation calculation Matrix calculations / Vector calculations Complex number calculation CALC function / SOLVE function Base-n calculation Fraction calculation Combination and Permutation Logarithm log List-based STAT data editor Standard deviation Paired-variable statistics regression analysis Logical operations Table function 40 scientific constants 40 metric conversions (20 conversion pairs) 9 variable memories Comes with new slide on hard case What’s in the box Casio FX991ES-PLUS 417 Functions Calculator Instructions.
