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NOTE: FX991CW new series is a replacement model of phased out FX991EX series. Specifications: Non Programmable. Rounded keys. Number of Functions: 540. Natural textbook display - Display expression same as textbook. 10 + 2 digits10-digit mantissa + 2-digit exponential display. Dot matrix displayHigh-resolution screen provides beautiful looking graphs every time. Icon menuSpecify the operation you want to perform by selecting an icon or inputting a number. Multi-replayQuick 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 keysDesigned and engineered for easy operation. Basic StatisticsStandard statistics functions such as Mean, SUM, Standard Deviation, and Regression Ratio. Basic Mathematical FunctionsTrigonometric, Exponential logarithmic, etc.
