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 |
|---|---|---|---|---|
| 4490. | Alex (manithan) | 72.76 | 97% | 2018-07-10 |
| 4491. | Eddie (artourzy) | 72.76 | 93% | 2017-03-09 |
| 4492. | Drei (johnandredeleon) | 72.75 | 96% | 2020-11-05 |
| 4493. | Zolt (z0lt) | 72.74 | 95% | 2020-09-27 |
| 4494. | hs (hakanserce) | 72.73 | 98% | 2017-09-23 |
| 4495. | whodatboi (whoheis) | 72.73 | 96% | 2018-02-06 |
| 4496. | Harris (harrisn) | 72.71 | 97% | 2017-09-08 |
| 4497. | Michael (societydrone) | 72.71 | 97% | 2017-04-30 |
| 4498. | Sujith (sujith2005) | 72.70 | 97% | 2020-11-10 |
| 4499. | Thomas (tmsopogi) | 72.70 | 95% | 2020-03-13 |
| 4500. | dinqissa (dinqissa) | 72.68 | 97% | 2019-01-09 |
| 4501. | Ali (alimtr) | 72.68 | 94% | 2020-11-11 |
| 4502. | Brian (crispybaconhd) | 72.67 | 98% | 2020-01-11 |
| 4503. | Franklin (fpstone) | 72.67 | 96% | 2018-08-01 |
| 4504. | Yoga (eggnormous) | 72.67 | 95% | 2020-07-07 |
| 4505. | paulamirada (4beth_esda) | 72.67 | 99% | 2018-01-15 |
| 4506. | Eric (ericc4) | 72.65 | 96% | 2020-10-20 |
| 4507. | Edward (edward54321) | 72.65 | 97% | 2019-01-10 |
| 4508. | Jonathan (jstriker9peru) | 72.65 | 98% | 2019-04-24 |
| 4509. | ZAHID (zahidmisgar) | 72.64 | 95% | 2019-06-27 |
| 4510. | Ruy (r_souza) | 72.64 | 93% | 2017-02-10 |
| 4511. | Desuc (angzhiwei) | 72.63 | 97% | 2019-08-05 |
| 4512. | Quan (martinrockon) | 72.63 | 97% | 2019-01-28 |
| 4513. | Ethan (sutherland_12) | 72.62 | 98% | 2018-03-18 |
| 4514. | Michael (mcassedy) | 72.62 | 95% | 2018-04-17 |
| 4515. | _poet (_lyricist) | 72.62 | 97% | 2017-08-08 |
| 4516. | Viet (vietbui99) | 72.61 | 95% | 2018-05-24 |
| 4517. | Ace (acemace2018) | 72.61 | 97% | 2019-02-21 |
| 4518. | Mehrshad (mehr74) | 72.60 | 98% | 2019-09-04 |
| 4519. | tg (taylorgregory) | 72.59 | 95% | 2018-08-16 |
| 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 |