If this is solar powered, why does it need a battery?

It lasts for years. The solar is working but at night there is no solar so it uses the battery. I was not able to open one of these to replace the battery but it lasted maybe 10 years. This is a good product.

Does this have a "kickstand" to elevate the display?

Yes. It is about a 1/2" when in place.

How do you figure from cost to markdown

It is not clear what type of calculation you are attempting. Some financial calculations are described in the manual. If you do not have the manual handy, then you may want to refer to the online manual for JF-120BM (which is very similar in operation) at the following link: http://www.servicecasio.com/web/download/manual/DF-120BM_DM-1200BM_JF-120BM_FA_DI8S.pdf See the right column of page 2 of this manual.

Do you get the jf-100ms calculator pictured here, or the jf-100bm calculator as stated in the title?

I got the JF-100ms. It works really well.

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☀️ Crunch numbers smarter, not harder!

COMPACT PROFESSIONAL - Sleek, portable design fits perfectly on any desk or in your bag
RELIABLE EVERYDAY TOOL - Trusted Casio quality for consistent performance in any setting
SUSTAINABLE POWER SOURCE - Solar-powered design means no battery worries—work uninterrupted
SMART FINANCIAL FUNCTIONS - Built-in cost, sell, and margin keys streamline your budgeting
PRECISION AT YOUR FINGERTIPS - 10-digit LCD ensures flawless calculations every time

The Casio JF-100BM is a solar-powered calculator featuring a clear 10-digit LCD display and dedicated cost, sell, and margin functions, making it an essential tool for professionals managing finances with precision and eco-conscious efficiency.

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Number of Batteries	1 LR44 batteries required.
Display Type	LCD
Power Source	Solar Powered
Screen Size	3.5
Calculator Type	Standard Function
Item Dimensions L x W	7"L x 4"W
Material	Plastic
Color	Multicolor

CasioJF-100BM Standard Function Calculator

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