The calculator is an essential tool for engineers.

计算器是工程师不可或缺的工具。

The price of this calculator is quite reasonable.

这个计算器的价格很合理。

I need a calculator to solve this math problem.

我需要用计算器来解决这个数学问题。

She uses her phone's built-in calculator for calculations.

她用手机内置的计算器进行计算。

He bought a new calculator for his office yesterday.

他昨天为办公室买了一台新计算器。

I prefer using a physical calculator over an app.

我更喜欢用实体计算器而不是应用程序。

The calculator can perform basic arithmetic functions.

这个计算器可以执行基本的算术运算。

Don't forget to bring your calculator to the test tomorrow.

别忘了明天测试时带上你的计算器。

My friend lent me his calculator when I forgot mine.

当我忘记带计算器时，我的朋友借给了我他的。

The programmable calculator can solve advanced mathematical equations.

这个可编程计算器可以解决复杂的数学方程。