You didn't have both? Scrap for trying out ideas, double-checking, making mistak... | Hacker News

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		peterfirefly 20 days ago \| parent \| context \| favorite \| on: Why are 38 percent of Stanford students saying the... You didn't have both? Scrap for trying out ideas, double-checking, making mistakes and then "blue books" for the stuff you hand in (with the answers + all the steps you choose to show).

WalterBright 20 days ago [–]

No need. I just X'd out failed approaches. There were always plenty of pages in the blue book.

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