Is there a cover for this one, I do not see one shown?

As of July 2022, it does come with a cover.

What type of battery?

It is both solar and battery powered. I have had mine for 22 years and have never needed a new battery. The batteries power is restored by the solar. If you think you need to replace the battery it can be replaced on the back of the calculator with 4 small screws. Not sure of the type since I have never had to replace mine but you can look there.

Does it come with a hard cover?

Yes, It does come with hard cover

If you attempt a square root that is not a perfect square will it simplify or not? (I.E. square root of 45) I need to know this for my finals.

Ms. Fitzpatrick, your question concerning the TI-30X IIS is "Will it simplify (e.g. square root of 45)?" The short answer is NO. The TI-30X IIS will display 6.708203932 for the square root of 45.The square root of 45 in its simplest radical form is/would be 3ã5. However, the TI-30XS will display 3ã5 as a resultant of square root of 45. I hope this helps.Respectfully,Mike

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📈 Elevate your calculations with pro-grade precision and nonstop power!

ANGLE MASTERY - Switch seamlessly between degrees, radians, and grads for precision
BUILT TO PERFORM - Professional-grade durability backed by a 1-year limited warranty
POWER THAT LASTS - Solar + battery combo ensures uninterrupted use wherever you go
SEE IT ALL AT ONCE - 2-line display shows input & result simultaneously for flawless workflow
STATISTICAL WIZARDRY - Handles 1 & 2 variable stats to power through complex data sets

The Texas Instruments TI-30XIIS is a robust scientific calculator featuring a dual-line display for simultaneous input and results, advanced statistical functions for 1 and 2 variable data, and versatile angle modes (degrees, radians, grads). Powered by both solar and battery energy, it ensures reliable performance backed by a 1-year limited warranty—ideal for students and professionals demanding accuracy and durability.

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Number of Batteries	1 Lithium Metal batteries required. (included)
Display Type	LCD
Power Source	Solar Powered
Screen Size	3
Calculator Type	Engineering/Scientific
Item Dimensions L x W	6.1"L x 3.2"W
Material	Plastic, Metal
Color	White

TEXAS INSTRUMENTSTI-30XIIS Scientific Calculator, White

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