| ⇢ | A | Combinatorics added |
| ⇢ | A | Combinatorics::__construct() added | |
| ⇢ | A | Combinatorics::setLength() added | |
| ⇢ | A | Combinatorics::setDataset() added | |
| ⇢ | A | Combinatorics::getLength() added | |
| ⇢ | A | Combinatorics::getDataset() added | |
| ⇢ | A | Combinatorics::fact() added | |
| A | ↘ | B | Permutations::permute() got worse |
| A | ↛ | Permutations::setDataset() removed | |
| A | ↛ | Permutations::setLength() removed | |
| A | ↛ | Permutations::getLength() removed | |
| A | ↛ | Permutations::getDataset() removed | |
| A | ↛ | Combinations::getDataset() removed | |
| A | ↛ | Combinations::getLength() removed |