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Q: Does it have a matrix function?

A: Yes, the Casio FX-991CW Non-Programmable Standard Scientific Calculator supports matrix calculations, including up to 4x4 matrices.

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Q: Does it have a matrix function?

A: Yes, the Casio FX-991CW Non-Programmable Standard Scientific Calculator supports matrix calculations, including up to 4x4 matrices.

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Q: How long is the battery life?

A: The estimated battery life of the Casio FX-991CW Non-Programmable Standard Scientific Calculator is 2 years.

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Q: does this product have any warranty?

A: Casio FX-991CW Non-Programmable Standard Scientific Calculator Comes with a 03-years warranty.

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