Casio FX-991ES PLUS Non Programmable Scientific Calculator

Casio FX-991ES PLUS Non Programmable Scientific Calculator

The Casio FX-991ES PLUS Non Programmable Scientific Calculator is a non-programmable, non-graphing model designed to handle a wide range of mathematical and scientific tasks. It features a 10 + 2 digit Liquid Crystal Display (LCD) with a natural textbook display and dot matrix for clear, readable output. The Casio FX-991ES PLUS Scientific Calculator offers a comprehensive set of 417 functions, including basic calculations such as addition, subtraction, multiplication, and division, as well as more advanced functions like trigonometric, logarithmic, and exponential calculations. It supports specialized features such as matrix and vector calculations, differential and integral functions, as well as statistical and engineering-related operations. The memory of the Casio FX-991ES PLUS Calculator can store up to 9 variables and includes independent memory, answer memory, and memory protection to ensure data security. This Casio Scientific Calculator operates on both solar and battery power, with an approximate battery life of 3 years, and includes an auto power-off feature. Its design incorporates plastic keys with functions for a negative sign, power off, and a reset function. Display options include various number formats (Fix, Sci, Norm), engineering notation, and toggling calculation results. The calculator also offers advanced scientific features such as factorial, reciprocal, and complex number calculations, along with multi-replay and CALC functions for continuous and multi-statement commands. Additionally, the FX-991ES PLUS Casio Scientific Calculator comes with a hard case for protection, making it ideal for both educational and professional use.

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