#35 換算 App:匯率Sharon ChiuFollowSep 1, 2018 · 1 min read這次的練習主要是學習字串轉數字 / optional / 收鍵盤,因為匯率換算不一定會剛好整數,所以也練習了浮點數顯示幾位數的操作。串接currencyAPI就…下次練習吧XDGithub:yuwenwenchiu/CalculatorContribute to yuwenwenchiu/Calculator development by creating an account on GitHub.github.com