hn-classics/_stories/2009/13199880.md

created_at	title	url	author	points	story_text	comment_text	num_comments	story_id	story_title	story_url	parent_id	created_at_i	_tags	objectID	year
2016-12-17T08:32:45.000Z	Notation as a Tool of Thought (2009)	http://www.jsoftware.com/papers/tot.htm	ehudla	106			25					1481963565	story author_ehudla story_13199880	13199880	2009

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Notation as a Tool of Thought