user avatar
user avatar
user avatar
Ivan Kochurkin
  • Member for 10 years
  • Last seen more than a week ago
40 votes
1 answer
24k views

Generalized rotation matrix in N dimensional space around N-2 unit vector

9 votes
3 answers
8k views

Best way to denote some trigonometric functions ("tg" vs "tan", "ctg" vs "cot")

6 votes
1 answer
2k views

Definite integral of tetration between $0$ and $1$

5 votes
3 answers
898 views

What is a geometric, physical or other meaning of the tetration?

2 votes
4 answers
6k views

Solid angle between vectors in n-dimensional space

1 vote
1 answer
836 views

Inverse rational numbers counting function

1 vote
0 answers
59 views

Triangular exponentation logarithm and inverse

1 vote
0 answers
689 views

Inverse function in multi-valued logic through the Webb function

0 votes
0 answers
56 views

Calculate $\lceil \frac{n}{log_2k} \rceil; n \geqslant 1, k \geqslant 2$ with only integer functions

0 votes
2 answers
108 views

Exponentation vs Power