Level 3

계산기

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What is 계산기?

계산기 means "calculator" in Korean. It refers to the electronic device used for performing arithmetic operations quickly and accurately.

Common Uses

You will often hear 계산기 in contexts related to math, shopping, or any situation requiring quick calculations. It is a common tool in schools, offices, and stores.

Collocations and Patterns

  • 계산기를 사용하다: to use a calculator
  • 계산기를 켜다/끄다: to turn a calculator on/off
  • 계산기로 계산하다: to calculate with a calculator

These phrases are useful when describing actions involving a calculator.

Register and Politeness

계산기 is a neutral noun and can be used in both formal and informal contexts without change.

Common Mistakes

Learners sometimes confuse 계산기 with 계산 (calculation). Remember, 계산기 is the device, while 계산 is the act of calculating. Use 계산기 when referring to the physical calculator.

Example Sentences

수학 문제를 풀 때 계산기를 사용해요.

Suhak munjeleul pul ttae gyesangireul sayonghaeyo.

I use a calculator when solving math problems.

계산기를 켜고 복잡한 계산을 빠르게 했어요.

Gyesangireul kyeogo bokjaphan gyesaneul bbaleuge haesseoyo.

I turned on the calculator and quickly did the complicated calculations.

가게에서 계산기를 사용해서 정확하게 돈을 셌어요.

Gageseo gyesangireul sayonghaeseo jeonghwakage doneul sasseoyo.

At the store, they used a calculator to count the money accurately.