The observed brightness of a Lambertian surface may be written as the product of an albedo factor, p, and the cosine of the incident angle, cos i. This means that brightness can be written as a product of a term that depends on the material, p, and a term that depends on surface direction, which in turn depends on f and g.
—from Artificial Intelligence Second Edition, a book by Patrick Henry Winston
Active since January 13, 2017.
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| Rank | Username | WPM | Accuracy | Date |
|---|---|---|---|---|
| 4539. | Stigi (stigi) | 72.41 | 96% | 2017-11-05 |
| 4540. | Shark (wozi) | 72.40 | 97% | 2020-07-28 |
| 4541. | Hadi (charaka) | 72.40 | 98% | 2018-09-05 |
| 4542. | Joe (cobiejoe) | 72.39 | 96% | 2017-01-22 |
| 4543. | Luke (lukeekee) | 72.38 | 96% | 2018-12-14 |
| 4544. | WinterWonderLulu (winterwon... | 72.38 | 97% | 2019-06-26 |
| 4545. | Jill (devaunsmom) | 72.37 | 99% | 2020-09-03 |
| 4546. | gleek (ihavekillaura) | 72.35 | 94% | 2018-05-16 |
| 4547. | Gabriel (bituca) | 72.35 | 98% | 2019-08-07 |
| 4548. | Dangerous (vandisk) | 72.35 | 98% | 2019-03-26 |
| 4549. | Evan (evanr10190) | 72.34 | 97% | 2017-12-08 |
| 4550. | Nick (nick12342) | 72.34 | 96% | 2020-02-01 |
| 4551. | Romig (romeritto) | 72.34 | 97% | 2018-03-25 |
| 4552. | cL (cynibro) | 72.33 | 95% | 2019-05-19 |
| 4553. | Scarface (csgoscarface) | 72.32 | 98% | 2017-09-30 |
| 4554. | Kevin (kasistores) | 72.32 | 96% | 2017-11-11 |
| 4555. | Florante (junptrp) | 72.31 | 98% | 2017-11-22 |
| 4556. | Mikayel (mikayel_arm) | 72.29 | 98% | 2020-03-28 |
| 4557. | chollip (chollip) | 72.28 | 96% | 2019-02-02 |
| 4558. | Rachel (taylorachel) | 72.28 | 98% | 2019-04-17 |
| 4559. | Shirley (shirley56) | 72.27 | 98% | 2017-09-17 |
| 4560. | Cheng Loke (lordwiz) | 72.26 | 96% | 2020-06-14 |
| 4561. | David (dtowers) | 72.26 | 96% | 2018-05-12 |
| 4562. | . (sthjkvlr) | 72.24 | 95% | 2020-03-01 |
| 4563. | Jason (acerpacemaker) | 72.23 | 95% | 2020-06-29 |
| 4564. | Oliver (oliver7073) | 72.23 | 96% | 2019-02-06 |
| 4565. | Simon (sgoldins) | 72.23 | 97% | 2019-04-03 |
| 4566. | Justin (jjsu1218) | 72.22 | 97% | 2018-09-12 |
| 4567. | Bill (billxnye) | 72.22 | 96% | 2017-05-04 |
| 4568. | Chuse (chuse) | 72.22 | 97% | 2020-01-11 |
| Universe | Races | Average WPM | First Race |
|---|---|---|---|
| Default (English) | 12,275 | 81.02 | January 13, 2017 |
| Instant Death Mode | 11 | 104.42 | December 24, 2018 |
| ᗜ Stenography | 5 | 69.26 | July 15, 2020 |
| New English Texts Are Here | 1 | 105.85 | January 5, 2023 |