/r/calculus/

r/calculus

197k members
r/calculus is a subreddit with 197k members. The community frequently discusses calculus, integral, help, integration, and derivative, and they frequently recommend/review study resources, textbook, and website recommendations, and the most common flair used is integral calculus, differential calculus, pre-calculus, multivariable calculus, and infinite series.
Welcome to r/calculus - a space for learning calculus and related disciplines. Remember to read the rules before posting and flair your posts appropriately.

Popular Topics in r/calculus

#1

Calculus

102 posts
#2

Integral

26 posts
#3

Help

14 posts
#4

Integration

13 posts
#5

Derivative

12 posts
#6

Study

10 posts
#7

Limits

9 posts
#8

Self Study

6 posts
#9

Struggling

5 posts
#10

Limit

4 posts

Products Discussed in r/calculus

Study Resources

10 reviews
#1
Professor Leonard
5.0 from 4 reviews
#2
BlackPenRedPen
4.5 from 2 reviews
#3
Tutorial Math Lamar
4.0 from 1 review

Textbook

4 reviews
#1
Colley
4.0 from 1 review
#2
Clyde Rainville
3.0 from 1 review
#3
Larson
4.0 from 1 review
#1
Paul's Online Math Notes
5.0 from 1 review
#2
Professor Leonard
5.0 from 1 review
#3
Udemy
4.0 from 1 review

Flair Used in r/calculus

#1
Integral Calculus
: "Passed Calc II with an A+ as a 9th grader"
80 posts
#2
Differential Calculus
: "Told my grandfather I’m studying Calculus and this is the book he gave me"
38 posts
#3
Pre-calculus
: "Did I prove this trigonometric identity correctly?"
28 posts
#4
Multivariable Calculus
: "Is the math on this mousepad valid?"
16 posts
#5
Infinite Series
: "Is this method valid?"
7 posts
#6
Engineering
: "I am absolutely lost"
7 posts
#7
Differential Equations
: "Runge-kutta method for approximating solutions for differential equations"
4 posts
#8
Physics
: "Is calculus really a very hard subject?"
4 posts
#9
Self-promotion
: "I found it second used they ask for it $53. Is it worth it?"
4 posts
#10
Vector Calculus
: "Cross product"
4 posts

Member Growth in r/calculus

Yearly
+36k members(22.6%)

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Last updated: June 14, 2026