How many words can be formed by taking four letters at a time out of the letters of the word MATHEMATICS?
141633
How many perms of 4 from letters of MATHEMATICS?
99929
express in words without using the symbol N
130527
How to read letters such as $\mathbb A$, $\mathbb B$, etc., or $\mathfrak A$, $\mathfrak B$, etc.?
4505
Number of students in school club : $4$ Circles Venn Diagram Puzzle
53639
Formula for number of 6 letter words from English alphabet if there is repetion and ordering
29007
Multiple letters without spacing in Math
22454
How many combinations can I make?
19788
Hyphenation of adjectives composed of three words
37910
If capital letters are supposed to be sets, why is $N$ used as a number?
130614
Permutations on word $MISSISSIPPI$.
126734
Convert a number to its expression in words (e.g. 55 -> fifty-five)
121935
Capital letters in "Theorem", "Conjecture" etc
45204
Combinatorial proofs: having a difficult time understanding how to write them out
34156
How many words can be formed from 'alpha'?
44532
Why are some words combined into a single word while others stay as two words?
38809
In how many ways can the letters of word $PERMUTATIONS$ be arranged if there are always 4 letters between P and S?
9349
In how many ways can the letters of the word CHROMATIC be arranged?