Skip to content

$Math Fun Facts$

About Math Fun Facts
- How to Use Fun Facts
- Contributors
All Fun Facts
Get a Random Fun Fact!

$Math Fun Facts$

differentiability

Sphere Eversions

Posted on June 29, 2019 by Samuel Nunoo

If you take a loop of string in the plane and place an arrow along it pointing clockwise, is it...

Continue reading...

Search Fun Facts

Search by Difficulty

• Easy
• Medium
• Advanced

Search by Subject

• Algebra
• Calculus
• Combinatorics
• Geometry
• Number Theory
• Probability
• Topology
• Other

Most Popular Fun Facts

4.9 (285)

One Equals Zero: Integral Form

4.7 (106)

Napoleon’s Theorem

4.6 (49)

Sine of (1/55555….)

4.6 (43)

Spherical Pythagorean Theorem

4.6 (87)

Brouwer Fixed Point Theorem

From the Creator of Math Fun Facts:

Winner of the 2021 Euler Book Prize
from the Mathematical Association of America

$Book Cover: Mathematics for Human Flourishing$

An inclusive vision of mathematics:
what it is, who it’s for, why anyone should learn it

View Our Most Used Tags!

advanced algebra analysis approximations arithmetic bicycle binomial coefficients calculus combinatorics complex numbers demonstration easy ellipse Fibonacci functions game theory geometric series geometry hard infinite series irrational lightning arithmetic logic matrix medium multivariable calculus number theory other paradox pi pi formula polynomial prime probabilities probability puzzle real analysis Riemann zeta function sphere Taylor series topology triangles unit circle universe unsolved problem

$Math Fun Facts$

1999-2021 by Francis Su. All Rights Reserved.