Newtonの「統計の威力」と「やさしくわかる 周期表と元素」を購入

Newtonのkindle書籍150円セールが今日までなので興味のある本を購入。
時間が出来たら読もう。

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[429] [429] Client error: `POST https://webservices.amazon.co.jp/paapi5/getitems` resulted in a `429 Too Many Requests` response: {"__type":"com.amazon.paapi5#TooManyRequestsException","Errors":[{"Code":"TooManyRequests","Message":"The request was de (truncated...)