/r/calculus/

r/calculus

205k members
r/calculus is a subreddit with 205k 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 engineering.
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
: "I was trying to visualise e^(st) as a polar radius, but instead discovered a geometry-based proof for the Dirichlet Integral."
55 posts
#2
Differential Calculus
: "Visualizing the derivative of ln(x)"
53 posts
#3
Pre-calculus
: "Horizontal Asymptote?"
27 posts
#4
Multivariable Calculus
: "This is so confusing 😕"
22 posts
#5
Engineering
: "The GOAT is back"
10 posts
#6
Differential Equations
: "First Order Linear Differential Equations"
9 posts
#7
Real Analysis
: "Proof that R is a Banach space (with respect to the usual norm )"
7 posts
#8
Vector Calculus
: "My head is going to diverge to the wall"
5 posts
#9
Infinite Series
: "Does this all actually just converge to 1/7?"
5 posts
#10
Self-promotion
: "Calculus I,II,III"
3 posts

Member Growth in r/calculus

Yearly
+39k members(23.2%)

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Last updated: September 13, 2026