Advanced Features: The Fx-991ex 552 offers a comprehensive set of advanced features including complex number calculations, matrix calculations, equation solving, and statistical calculationsIt also supports vector calculations and differentiation/integrationNatural textbook display: The calculator features a natural textbook display that allows you to view and enter mathematical expressions and equations exactly as they appear in textbooksThe large screen makes it easier to read and reduces the chance of errorsSpreadsheet function: With its spreadsheet function, the calculator allows you to create and manage tables of values for data analysis
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