https://kknews.cc/zh-tw/finance/zpxln2q.html
[開發經驗分享][JavaScript]浮點數運算出現一堆小數位數
https://dotblogs.com.tw/WillianHsiaoDotNetBLog/2020/01/15/JavascriptFloatCaculateBug?fbclid=IwAR0SnYG7FnesbfENWCsOT_ceGxqab6Q1dksJ3qIr-pe65m55wNBlWLc0Ns0
精確的浮點數運算 ?
https://medium.com/pyladies-taiwan/%E7%B2%BE%E7%A2%BA%E7%9A%84%E6%B5%AE%E9%BB%9E%E6%95%B8%E9%81%8B%E7%AE%97-28d34e652e51
