Sell ►◊♂Casio FX-991ES Plus Scientific Calculator best price

Features New functions New equation mode Random integers Standard functions Fraction calculations Combination and permutation Statistics (List-based STAT data editor, standard deviation, regression analysis) 9 variables Table function Comes with new slide-on hard case fx-82ES PLUS/85ES PLUS/350ES PLUS functions, in addition to: Equation calculations Integration/differential calculations Matrix calculations Vector calculations Complex number calculations CALC function SOLVE function Base-ncalculation Integration Complex number calculations Differential Vector Matrix operations Specifications Non Programmable Number of Functions : 417 Natural textbook displayDisplay expression same as textbook. 10 + 2 digits10-digit mantissa + 2-digit exponential display. Dot matrix displayHigh-resolution screen provides beautiful looking graphs every time. Multi-replayQuick and easy recall of previously executed formulas for editing and re-execution. Solar & BatterySolar powered when light is sufficient, battery powered when light is insufficient. Plastic keysDesigned and engineered for easy operation. Basic Mathematical FunctionsTrigonometric, Exponential logarithmic, etc. Table GenerationYou can create a numerical table based on that expression by registering a function expression. In addition, graph functions can be represented by graphs. Base-n calculationBinary/Octal/Hexadecimal Scientific ConstantsYou can use constant symbols used in physics, science classes. Vector Basic StatisticsStandard statistics functions such as Mean, SUM, Standard Deviation, and Regression List based STAT-data editorViewing and editing of input data in list format, showing data groups (x-data, y-data, frequency) and surrounding data. Differentiation Non Graphing Matrix Equation Integration Metric conversion functionYou can convert a number in one unit to a number in a different unit. Complex number calculation