Combinations vs Permutations — Order Matters
Compare combinations and permutations calculations. Understand when order matters and how it affects the total count.
Combinations (nCr)
完整计算器 →Combinations Calculator
C(n,r) — order does not matter
Permutations (nPr)
完整计算器 →Permutations Calculator
P(n,r) — order matters
主要差异
| 特点 | Combinations (nCr) | Permutations (nPr) |
|---|---|---|
| 类别 | math | math |
| 整页 | Combinations (nCr) | Permutations (nPr) |