SKIKHN FX-991EX Scientific Calculator, Engineering Scientific Calculator, Multi-Function Calculator Scientific with 552 Functions, Ideal for Students and Teachers, Office

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  • 552 FunctionsThe FX-991EX scientific calculator provides 552 functions, covering a wide range of mathematical operations, including basic calculations, algebra, fractions, derivatives, integrals, scientific functions and statistical calculations, etc. FX-991EX scientific calculator making complex calculations and equations easier to master.
  • Dual Power Supply Electronic Calculator This FX-991EX scientific calculator has a dual power supply system that can be powered by solar energy and batteries (Includes LR44 battery and solar panel), you can use scientific calculator anytime and anywhere without worrying about battery problems.
  • Easy to Carry The size of this scientific calculator is 16.5*8*1.5cm and the weight is 170g. FX-991EX scientific calculator comes with a sliding cover, providing a layer of protection against dust and damage to the computer, comfortable to hold for easy portability.
  • Multi-purpose This FX-991EX scientific calculator features a high-resolution LCD display, ensuring spreadsheets, calculations, and graphs are clear and easy to read. Whether you're a student trying to solve algebraic equations, a teacher grading papers, or an engineer working on a complex project, our calculator can meet all your mathematical needs.

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