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Q: have you any time warranty ?

A: Casio FX-991ES Plus 2nd Edition Non-Programmable Scientific Calculator comes with 3-years Official warranty (For Warranty Must Claim With Box).

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Q: Is the Casio FX-991ES Plus 2nd Edition suitable for engineering students?

A: Yes, this Casio FX-991ES Plus 2nd Edition Non-Programmable Scientific Calculator is widely used by engineering students as it supports various advanced calculations required in their studies.

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Q: Does it support complex number calculations?

A: Yes, this Casio FX-991ES Plus 2nd Edition Non-Programmable Scientific Calculator can perform complex number calculations, including basic operations on complex numbers.

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Q: Does this Casio FX-991ES Plus 2nd Edition Scientific Calculator perform integration and differentiation functions?

A: Yes, this Casio FX-991ES Plus 2nd Edition Non-Programmable Scientific Calculator can perform definite integrals and numerical differentiation.

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