Similar to 単位分数

0

1

Partition of unity

Axiom (computer algebra system)

Brilliant (website)

0.999...

One-dimensional space

1 + 1 + 1 + 1 + ⋯

Root of unity

1/2 + 1/4 + 1/8 + 1/16 + ⋯

Hundredth

One-form (differential geometry)

2

3

4

5

6

7

8

9

Elementary mathematics

Sieve of Eratosthenes