Daily Ui #04 Calculator

Hi, today's DailyUi is about calculators. I want to make a portable calculator with exchange rate.So it can be used in daily life. When traveling abroad, you can also view the changes in the exchange rate in a timely manner.
嗨，大家好。今天我做的是DailyUi 关于计算器。我想做一个轻便的计算器与汇率APP结合，在日常生活中可以用到。在国外旅游的时候，也可以及时的查看汇率的变化。希望你喜欢并给以建议。
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