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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Texas Instruments TI-30XIIS Scientific Calculator, Black with Blue Accents (30XIIS/TBL/1L1/BK)

Product ID: 1143049

Details

Brand
Texas
Calculator Type
Color
Black
Power Source
Battery
Screen Size
2.2 Inches

📊2-line display for simultaneous input & result

📐Supports degrees, radians & grads angle modes

🔋Dual power: solar + battery backup

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Description

📈 Elevate your calculations — never miss a beat with TI-30XIIS!

BUILT TO ENDURE - Durable keys and protective cover designed for daily use, backed by a 1-year limited warranty for peace of mind.
POWER THAT LASTS - Solar-powered with battery backup ensures uninterrupted performance wherever your work or study takes you.
SEE IT ALL AT ONCE - Two-line LCD display shows your entry and result simultaneously, eliminating guesswork and boosting efficiency.
FLEXIBLE ANGLE MODES - Switch effortlessly between degrees, radians, and grads to tackle any trigonometry challenge like a pro.
MASTER EVERY CALCULATION - Handles 1 & 2 variable statistics, logs, antilogs, fractions, and conversions with professional-grade precision.

The TI-30XIIS Scientific Calculator is a robust, professional-grade tool featuring a two-line LCD display for simultaneous input and results, dual solar and battery power for reliability, and versatile functions including statistical calculations, logs, antilogs, and multiple angle modes. Designed for students and professionals alike, it combines durability with advanced features, making it the #1 scientific calculator choice for office and classroom use.

Specifications

ASIN	B00000JBNX
Best Sellers Rank	#136 in Office Products ( See Top 100 in Office Products ) #1 in Scientific Calculators
Brand	Texas Instruments
Built-In Media	…
Calculator Type	Engineering/Scientific
Color	Black
Customer Reviews	4.8 4.8 out of 5 stars (50,417)
Display Type	LCD
Enclosure Material	Metal, Plastic
Global Trade Identification Number	00033317198726, 00809187117910
Item Dimensions L x W	6.12"L x 3.23"W
Item Type Name	Scientific Calculator
Item Weight	6.2 Ounces
Manufacturer	Texas Instruments
Mfr Part Number	30XIIS/TBL/1L1/BK
Model Name	TI-30XIIS™
Model Number	30XIIS/TBL/1L1/BK
Number of Batteries	1 CR123A batteries required. (included)
Power Source	Battery Powered
Screen Size	2.2 Inches
UPC	809187117910 807030492320 781624958778 033317202812 666672976854 763615998918 523160255283 799916188857 999994048672 809186267845 632674313263 971473193387 021112855067 033317198726 702658640217 521375582521 999992231755 898029642321 191120055176 696739500074 806293525080 721058796218 809302183868 033317190263 640206722223 777785603886 804993663590 601000833249 001910143320 809385662809 6361238224…
Unit Count	1.0 Count
Warranty Description	1 year limited warranty, 1 year manufacturer

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