Casio FX-991CW Advanced Scientific Calculator
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Calculators
Experiential insights by users
About Casio FX-991CW Advanced Scientific Calculator
Overall Feedback:
83% positive
78% liked the long-lasting battery life
I passed both FE and PE exams using this calculator, indicating its good battery life.
64% found the button quality, but 36% encountered some lag
I appreciate the presence of an Undo button on the calculator.
On the newer model, the flow of the buttons is not as good.
Performing a simple derivative operation requires a lot of button presses.
84% praised the clear and bright display
The full dot-matrix display of this calculator is a big advantage, making the output readable and easy to understand, unlike segmented displays on cheaper calculators.
76% liked the durable material, but 24% found it flimsy
I have noticed that the calculator is slower to use in general due to the reduction in buttons.
Rephrased: The reduction in buttons has made the calculator slower to use in general.
72% found the design comfortable and intuitive, while 28% found it awkward to hold
If you are a new user or have multiple calculators that you go between, this one is much easier to get used to.
I appreciate the cleaner keypad of the calculator, which makes it easier to find functions using the keypad, but it also increases the number of functions that need to be accessed using a menu. My aging eyesight appreciates the cleaner keypad.
The design of the calculator has a flaw where the angle key is no longer easily accessible and entering a phasor requires going through a menu option.
