Factorial vs Combinations — Counting Principles
Compare factorial and combination calculations. See how factorials underpin combination formulas.
Factorial Calculator n!
完全な計算機 →Factorial Calculator
n! = 1×2×3×...×n
Combinations (nCr)
完全な計算機 →Combinations Calculator
C(n,r) — order does not matter
主な違い
| 特徴 | Factorial Calculator n! | Combinations (nCr) |
|---|---|---|
| カテゴリ | math | math |
| 全ページ | Factorial Calculator n! | Combinations (nCr) |