CasioCasio MS-80B Calculator – Desktop Calculator with Tax & Currency Tools | General Purpose | Large Display | Ideal for Home, Office & Everyday Math

CasioCasio MS-80B Calculator – Desktop Calculator with Tax & Currency Tools | General Purpose | Large Display | Ideal for Home, Office & Everyday Math

Q: When i use the percentage button, it calculates at a false rate. 100+10%=111.11111 that's what the calculator tells me. how do i fix this?

I also was confused when trying to subtract percentages using the % key. I have never had a calculator function like this and I have had several other Casio models. Can confirm (X x Y% +/-) will get you the correct total "10 x 10% -" will get you 9 as an answer just as "10 x 10% +" will get you 11. Annoying to have to take an extra step, whatever Casio I'm sure you have your reasons.

Q: On this calculator 50-10%=400 and 50+10%=55.55. What am I doing wrong?

To add or subtract a % from a number, using the % key, you first have to multiply the number by the %, then press + or –. Examples: To calculate 50 plus 10%, enter 50 x 10% (answer 5), then press + (answer 55). To calculate 50 minus 10%, enter 50 x 10% (answer 5), then press – (answer 45).

Q: does it have a back button

yES, IT DOES Yes, it does. The BACKSPACE (ERROR CORRECTION) KEY you're looking for is the ARROW directly to the left of the TAX- key. Each press erases the last entered digit so it can then be reentered correctly.

Q: Is this completely flat or is it curved at the top?

The display window is curved at about a 25 degree angle for ea\asy reading.

Product ID: 1147653

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Details

Brand
Casio
Color
Brush Nickel
Calculator Type
Standard
Power Source
Solar Powered
Screen Size
3.25

💰Built-in tax & currency tools

🔢8-digit large display

☀️Solar powered, eco-friendly

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Description

💼 Crunch numbers like a pro—effortless, precise, and always on point!

ECO SMART POWER - Solar-powered design means no battery worries and sustainable use
COMPACT YET POWERFUL - Sleek brush nickel finish fits perfectly on any desk, blending style with function
MASTER YOUR FINANCES - Integrated tax and currency calculation tools to streamline your budgeting
SEE EVERY DIGIT CLEARLY - Large 8-digit LCD display with 3.25-inch screen for effortless readability
SMOOTH TYPING EXPERIENCE - Key rollover technology ensures fast, error-free input during busy work sessions

The Casio MS-80B is a solar-powered desktop calculator featuring a large 8-digit LCD display, built-in tax and currency calculation tools, and key rollover technology. Its compact design with a stylish brush nickel finish makes it ideal for home, office, or everyday math tasks.

Specifications

Number of Batteries	1 Product Specific batteries required.
Display Type	LCD
Power Source	Solar Powered
Screen Size	3.25
Calculator Type	Standard Function
Item Dimensions L x W	5.79"L x 4.06"W
Material	Plastic
Color	Brush Nickel

Have a Question? See What Others Asked

When i use the percentage button, it calculates at a false rate. 100+10%=111.11111 that's what the calculator tells me. how do i fix this?

On this calculator 50-10%=400 and 50+10%=55.55. What am I doing wrong?

does it have a back button

Is this completely flat or is it curved at the top?

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