Sell ❖◎Casio Scientific Calculator fx-991 EX Pink/Black best price

Specifications: - GCSE/AS/A Level : Suitable for Cambridge International Examinations GCSE, AS & A Level. - Number of Functions : 552 - Natural textbook display : Display expression same as textbook. - 10 + 2 digits : 10-digit mantissa + 2-digit exponential display. - Dot matrix display : High-resolution screen provides beautiful looking graphs every time. - Icon menu : Specify the operation you want to perform by selecting an icon or inputting a number. - Multi-replay : Quick and easy recall of previously executed formulas for editing and re-execution. - Solar & Battery : Solar powered when light is sufficient, battery powered when light is insufficient. - Plastic keys : Designed and engineered for easy operation. - Basic Statistics : Standard statistics functions such as Mean, SUM, Standard Deviation, and Regression - Ratio - Basic Mathematical Functions : Trigonometric, Exponential logarithmic, etc. - Table Generation : create a numerical table based on that expression by registering a function expression. In addition, graph functions can be represented by graphs. - Intermediate Statistics : More statistical functions such as Paired-variable statistical calculation, Quartiles and List display functions for speedy and thorough learning . - Base-n calculation : Binary/Octal/Hexadecimal - Scientific Constants : You can use constant symbols used in physics, science classes. - Vector - Advanced Statistics : Support high level statistics by 7 kinds of advanced distribution calculation. - Inequality - 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. - Differentiation - Spreadsheet - Non Graphing - Matrix - Equation - Integration - High Resolution - Complex number calculation - Metric conversion function - With QR Code functions