天使1／2方程式
Vocabulary Coverage
Learning words in frequency order, here's how many unique words you need to know to reach various coverage percentages for this series (based on available volumes):
| Coverage | Words Needed | % of Unique Words |
|---|---|---|
| 75% | 889 | 31.6% |
| 80% | 1,110 | 39.5% |
| 85% | 1,488 | 52.9% |
| 90% | 1,930 | 68.6% |
| 95% | 2,371 | 84.3% |
| 96% | 2,459 | 87.4% |
| 97% | 2,548 | 90.6% |
| 98% | 2,636 | 93.7% |
| 99% | 2,724 | 96.9% |
Total Unique Words: 2,812
Total Word Occurrences: 8,829