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The Art of Computer Programming Volume 2

The Art of Computer Programming Volume 2 by Donald Knuth

by Donald Knuth

Shares rank 9 of 28 computer science textbooks by recommenders

Praised for classical theorems, polynomial evaluation tricks and fascinating number topics; critics say it is too long, so start with the division chapter.

Praised for classical theorems, polynomial evaluation tricks and fascinating number topics; critics say it is too long, so start with the division chapter.

6 people gave an opinion

recommend it
6
criticize it
0
approval share
100%
Each figure is one person. RecommendsCriticizes

Recommended in 4 of 13 months

  1. November 2025: not recommended
  2. December 2025: recommended
  3. January 2026: not recommended
  4. February 2026: not recommended
  5. March 2026: not recommended
  6. April 2026: not recommended
  7. May 2026: not recommended
  8. June 2026: not recommended
  9. July 2026: recommended
  10. August 2026: recommended
  11. September 2026: recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 6 people recommend itNeeds 10 or more, not met.
  • Nobody criticizes itNeeds 2 to 1 or better, met.
  • Recommended in 4 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Covers long division and multiplication

    “it has a section called 'How fast can we multiply?' it should provide more insight”

    Comment from 19 Jul 2026 in “Mathematicians still don't know the fastest way to multiply numbers”

    “I recall fondly algorithm D... one of my first programming experiences in the 90s”

    Comment from 19 Aug 2026 in “A decades-old bug in Knuth's long division (TAOCP Vol II, Algorithm 4.3.1D)”

    “I found a bug in Algorithm D, the long division algorithm in Knuth's”

    Comment from 13 Aug 2026 in “A decades-old bug in Knuth's long division (TAOCP Vol II, Algorithm 4.3.1D)”
  • Classical theorems and useful tricks

    “it is a really interesting gathering of classical theorems and useful tricks to evaluate quickly polynomials”

    Comment from 10 Sep 2026 in “Show HN: Compute polynomials twice as fast”

    “A nice course for this is of course TAOCP volume 2 old testament”

    Comment from 26 Dec 2025 in “Online Book: Exploring Mathematics with Python”

What people warn about

Each mark is one comment

  • Too many pages overall

    “TAOCP from the beginning is too many pages. It would help to read the division algorithm chapter.”

    Comment from 19 Aug 2026 in “A decades-old bug in Knuth's long division (TAOCP Vol II, Algorithm 4.3.1D)”
  • Bug reported in Algorithm D

    “I found a bug in Algorithm D, the long division algorithm in Knuth's”

    Comment from 13 Aug 2026 in “A decades-old bug in Knuth's long division (TAOCP Vol II, Algorithm 4.3.1D)”

Other computer science textbooks people recommend

The four most recommended other computer science textbooks, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

The Art of Computer Programming Volume 2 by Donald Knuth compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Structure and Interpretation of Computer Programsby Abelson and Sussman55592%12—Approved
The Art of Computer Programmingby Donald E. Knuth28682%10—Approved
Structure and Interpretation of Computer Programsby Abelson and Sussman120100%9—Approved
Quantum Computation and Quantum Informationby Nielsen and Chuang120100%3——
The Art of Computer Programming Volume 2by Donald KnuthThis page60100%4——
See all 28 computer science textbooks, ranked

What people said

All 7 comments that mention it, newest first. Each links to the original comment.

“it is a really interesting gathering of classical theorems and useful tricks to evaluate quickly polynomials”

RecommendsComment from 10 Sep 2026 in “Show HN: Compute polynomials twice as fast”

“It's also an absolutely fascinating topic and will change the way you think about numbers.”

RecommendsComment from 20 Aug 2026 in “A decades-old bug in Knuth's long division (TAOCP Vol II, Algorithm 4.3.1D)”

“TAOCP from the beginning is too many pages. It would help to read the division algorithm chapter.”

MixedComment from 19 Aug 2026 in “A decades-old bug in Knuth's long division (TAOCP Vol II, Algorithm 4.3.1D)”

“I recall fondly algorithm D... one of my first programming experiences in the 90s”

RecommendsComment from 19 Aug 2026 in “A decades-old bug in Knuth's long division (TAOCP Vol II, Algorithm 4.3.1D)”

“I found a bug in Algorithm D, the long division algorithm in Knuth's”

MixedComment from 13 Aug 2026 in “A decades-old bug in Knuth's long division (TAOCP Vol II, Algorithm 4.3.1D)”

“it has a section called 'How fast can we multiply?' it should provide more insight”

RecommendsComment from 19 Jul 2026 in “Mathematicians still don't know the fastest way to multiply numbers”

“A nice course for this is of course TAOCP volume 2 old testament”

RecommendsComment from 26 Dec 2025 in “Online Book: Exploring Mathematics with Python”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.