Hacker ApprovedDepartments

Visual Complex Analysis

Visual Complex Analysis by Tristan Needham

by Tristan Needham

Ranked 6 of 20 mathematics textbooks by recommenders

People recommend it for its visual approach to teaching all of complex analysis, and one reader says a proof in it blew their mind. No criticisms were recorded.

People recommend it for its visual approach to teaching all of complex analysis, and one reader says a proof in it blew their mind. No criticisms were recorded.

5 people gave an opinion

recommend it
5
criticize it
0
approval share
100%
Each figure is one person. RecommendsCriticizes

Recommended in 4 of 13 months

  1. November 2025: 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: not recommended
  10. August 2026: recommended
  11. September 2026: not recommended
  12. October 2026: recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 5 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

  • Visual approach to teaching complex analysis

    “I have been making my way through Needham's Visual Complex Analysis which takes a similar visual-focused view of teaching all of complex analysis.”

    Comment from 15 Aug 2026 in “Möbius Strips and Differential Equations”

    “Visualizing Complex Analysis by Tristan Needham is another good one IMO”

    Comment from 29 Dec 2025 in “Ask HN: What skills do you want to develop or improve in 2026?”

Other mathematics textbooks people recommend

The four most recommended other mathematics 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.

Visual Complex Analysis by Tristan Needham compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Algorithms for Optimizationby Kochenderfer and Wheeler10191%1——
Mathematics for Computer Scienceby Lehman, Leighton and Meyer8467%1——
Numerical Recipesby Press et al.7188%5——
Concrete Mathematicsby Graham, Knuth and Patashnik70100%4——
Visual Complex Analysisby Tristan NeedhamThis page50100%4——
See all 20 mathematics textbooks, ranked

What people said

5 of the 6 comments that mention it, newest first. Each links to the original comment.

“There is proof of this theorem in it that blew my mind some years ago”

RecommendsComment from 13 Oct 2026 in “A Visual Intro to Complex Numbers”

“I have been making my way through Needham's Visual Complex Analysis which takes a similar visual-focused view of teaching all of complex analysis.”

RecommendsComment from 15 Aug 2026 in “Möbius Strips and Differential Equations”

“Visualizing Complex Analysis by Tristan Needham is another good one IMO”

RecommendsComment from 29 Dec 2025 in “Ask HN: What skills do you want to develop or improve in 2026?”

“Needham is one of my favourite books..”

RecommendsComment from 24 Nov 2025 in “Having Fun with Complex Numbers”

“This author is the real boss of the game”

RecommendsComment from 24 Nov 2025 in “Having Fun with Complex Numbers”

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