Cover of What is mathematics?

What is mathematics?

by Richard Courant, Herbert Robbins · first published 1941

65mentions
45recommended by
51HN commenters
2008–2025first – last mentioned

88% recommend10% neutral2% critical

Why HN recommends it

Broad survey of mathematics built from first principles, with chapters that start light and grow more rigorous. Suits curious laypeople and self-learners who want to practice real mathematical thinking and abstraction.

Summarised by Claude from recommending comments

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Mentions per year

90 2007: 0 mentions2008: 5 mentions2009: 1 mention2010: 1 mention2011: 3 mentions2012: 2 mentions2013: 5 mentions2014: 5 mentions2015: 5 mentions2016: 3 mentions2017: 1 mention2018: 7 mentions2019: 9 mentions2020: 6 mentions2021: 3 mentions2022: 4 mentions2023: 0 mentions2024: 2 mentions2025: 1 mention2026: 0 mentions200720172026

What Hacker News says

  • chunky1994 · Jun 9, 2015 · Recommends

    …novices about the basics of healthy and tasty cooking. As a college student it is quite instructive in learning the ropes of becoming a functioning chef-for-one while juggling school and startups. 3) What Is Mathematics? - Richard Courant - A great introductory book for the laymen and mathematician alike, much like any good book written by an accomplished mind in a technical field it is both enlightening about the nuances…

    on “Ask HN: Best books you've read in 2014” ↗
  • jasim · Jun 8, 2012 · Recommends

    I've Silvanus sitting in my shelf, but am yet to look into it yet. A couple of recommendations (not specific to just Calculus): - What is Mathematics? (Courant http://www.amazon.com/Mathematics-Elementary-Approach-Ideas-...) - Calculus (Apostle http://www.amazon.com/Calculus-Vol-One-Variable-Introduction...). - Mathematics from the Birth of Numbers…

    on “In Math You Have to Remember, In Other Subjects You Can Think About It” ↗
  • stiff · Jun 28, 2013 · Recommends

    Richard Courant said it nicely in "What is mathematics?", my all time favourite book: There seems to be a great danger in the prevailing overemphasis on the deductive-postulational character of mathematics. True, the element of constructive invention, of…

    on “Intuition and Logic in Mathematics (1905)” ↗
  • fao_ · Dec 29, 2015 · Recommends

    'What Is Mathematics?' Second Edition by Courant, Robbins & Stewart[0] is a great introduction to Mathematics in general (And covers most of the main fields), but also (iirc) is good at describing the notation used. As well…

    on “Free Springer math books” ↗
  • zakk · Jul 3, 2020 · Recommends

    I suggest "What Is Mathematics?" by Richard Courant and Herbert Robbins. https://en.wikipedia.org/wiki/What_Is_Mathematics%3F

    on “Ask HN: Recommend a maths book for a teenager?” ↗
  • DaniFong · Feb 3, 2008 · Recommends

    The book What is Mathematics by Courant et. al. is a terrific, read, and highly recommended from generations of mathematicians. It's one of the few math books good enough to compel you to read through the whole thing. http://www.amazon.com/Mathematics-Elementary-Approach-Ideas-...…

    on “Learning Math” ↗
  • WilliamLP · Aug 11, 2009 · Recommends

    "What is Mathematics" by Courant and Robbins is quite good and respected, but it will challenge you: http://www.amazon.com/Mathematics-Elementary-Approach-Ideas-... It may be more advanced then what you're looking for though.

    on “Ask HN: Best Mathematics book for complete noobie?” ↗
  • Open-Juicer · Jul 27, 2010 · Recommends

    …too much information would make them more confused. So, only two recommendations for you, one book, one website: 1) If I'm only allowed to recommend one math book to beginners, It'll definitely be: What is Mathematics - by Richard Courant and Herbert Robbins Take a look at the review by Albert Einstein. Yes, Albert Einstein! http://www.amazon.com/Mathematics-Elementary-Approach-Ideas-... 2)BetterExplained This…

    on “Ask HN: How Do I Get Math?” ↗
  • GrangalanJr · Jul 17, 2011 · Recommends

    …http://www.amazon.com/Mathematics-Short-Introduction-Timothy... The Language of Mathematics: Making the Invisible Visible (Keith Devlin): http://www.amazon.com/Language-Mathematics-Making-Invisible-... What is Mathematics?: An Elementary Approach to Ideas and Methods (Richard Courant): http://www.amazon.com/Mathematics-Elementary-Approach-Ideas-... They give brief but interesting glimpses into several areas of higher…

    on “Does one have to be a genius to do maths?” ↗
  • stiff · Dec 30, 2012 · Recommends

    It's your study that gives you new skills, not the books, having said this, the following guided the most valuable learning experiences in my life: "What is Mathematics?" by Richard Courant taught me to think at a higher level of abstraction. I read it after I realized the parts of SICP (which recommendation here I obviously second) I liked most were the math-related…

    on “What one book could give me a new, useful superpower?” ↗
  • westoncb · Aug 10, 2013 · Recommends

    …the rank of anyone he's writing about, of course), as well as a sci-fi author apparently :) edit: could also try "Mathematics and the Imagination" as an alternate introduction. After that would be "What is Mathematics?," by Richard Courant and Herbert Robbins. This one's a bit tougher, and I have to admit I had the experience of being perplexed at the selection of topics, and that it didn't tell me immediately what…

    on “A Mathematician’s Lament (2002) [pdf]” ↗
  • cdixon · Dec 28, 2013 · Recommends

    Great list. I would also add: What is Mathematics? http://www.amazon.com/Mathematics-Elementary-Approach-Ideas-...

    on “Great books about mathematics” ↗
  • stiff · Apr 12, 2014 · Recommends

    The only book on mathematics actually reassembling SICP I found is "What is mathematics?" by Richard Courant. I have read it after reading SICP, largely because I very much liked some of the more mathematical fragments in SICP, and surprisingly it felt like an actual follow up - it spends…

    on “Ask HN: Math books like SICP?” ↗
  • MrBra · Jan 10, 2015 · Recommends

    …Gelfand) - The Method of Coordinates (Israel Gelfand) - How to Prove It: A Structured Approach (Daniel Velleman) - Kiselev's Geometry - Planimetry and Stereometry - Trigonometry (Israel Gelfand) - What Is Mathematics? An Elementary Approach to Ideas and Methods (Richard Courant) - A Course of Pure Mathematics (G.H. Hardy) - Linear Algebra (Kenneth Hoffman and Ray Kunze) - Elementary Differential Equations (William…

    on “Mathematician's anger over his unread 500-page proof” ↗
  • Enzolangellotti · Jun 15, 2015 · Recommends

    Mathematics: Its Content, Methods and Meaning (Dover Books on Mathematics) Also, you might want to get Richard Courant's "What is mathematics?" and a book (I'm reading multiple as I'm in your same spot, didn't have much mathematics during high-school because I thought I didn't possess the acumen, then I realized I really liked the subject)…

    on “Ask HN: How can I learn math?” ↗

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