표준계산기 – 그레이색 계산기

Simple but with everything, the neat gray color standard calculator you've been looking for

It is a gray version of a neat standard calculator.

Need a hard calculator?

It is a simple calculator that maximizes the convenience of users by putting only necessary functions.

-This is a gray calculator that doesn't hurt your eyes, so you don't feel tired even if you use it for a long time.

-Users who want a neat calculator without the need for various complex functions!

-Users who want a typo-free calculator with large buttons.

We will establish ourselves as a representative of calculators that anyone can use conveniently.

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Storage: Needed to store internal storage calculation results

Phone: Collects contact information of members of society and transmits it to the calculator server, which is used for notification talk and notification notifications to users registered in the contact.