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 |
|---|---|---|---|---|
| 5150. | James (frxction) | 68.30 | 96% | 2020-10-20 |
| 5151. | Juan (juanto121) | 68.30 | 97% | 2017-03-19 |
| 5152. | Ray (raydlanka) | 68.29 | 94% | 2020-11-16 |
| 5153. | Richard (disosway) | 68.28 | 96% | 2020-11-09 |
| 5154. | Noiem (smnoiem) | 68.28 | 99% | 2019-11-08 |
| 5155. | Fang (youtubebrustachio) | 68.28 | 95% | 2019-11-01 |
| 5156. | Vašek (blazeva) | 68.28 | 97% | 2018-03-16 |
| 5157. | Oggers (oggers) | 68.28 | 92% | 2017-02-12 |
| 5158. | Jack (spiral64) | 68.27 | 94% | 2017-05-07 |
| 5159. | sybell john sajan (sybell) | 68.27 | 97% | 2017-08-31 |
| 5160. | R (dragosradici) | 68.26 | 96% | 2018-02-04 |
| 5161. | Hello (julius1331) | 68.23 | 96% | 2020-11-05 |
| 5162. | facenne (facenne) | 68.23 | 97% | 2020-04-28 |
| 5163. | Youssef (marthey2) | 68.23 | 96% | 2019-03-18 |
| 5164. | Kianoosh (kia_wp) | 68.22 | 98% | 2020-06-05 |
| 5165. | Henry (squidhs) | 68.19 | 96% | 2018-04-23 |
| 5166. | Parv (parvwutizup) | 68.18 | 96% | 2017-08-21 |
| 5167. | Hill (hilltopgun) | 68.17 | 95% | 2017-01-18 |
| 5168. | Monkey (monkey_sama) | 68.17 | 99% | 2019-12-30 |
| 5169. | cykland (cykland) | 68.16 | 93% | 2017-06-12 |
| 5170. | Neil Cyril (cycy501) | 68.15 | 97% | 2020-05-13 |
| 5171. | akira (akiraoka) | 68.15 | 15% | 2017-02-20 |
| 5172. | Xanderson (xanderson) | 68.14 | 98% | 2020-02-16 |
| 5173. | Emmett (emmet_) | 68.14 | 94% | 2020-05-16 |
| 5174. | Jordan (jordanhochstetler) | 68.13 | 96% | 2017-02-27 |
| 5175. | Shafin (shafinsaleem) | 68.12 | 97% | 2020-03-15 |
| 5176. | Trent (priyank45) | 68.09 | 95% | 2019-10-07 |
| 5177. | Nocturnal_Tofu (entity_01) | 68.09 | 96% | 2018-04-01 |
| 5178. | fafortate (fafortate) | 68.08 | 95% | 2020-08-21 |
| 5179. | Karsten (gerk) | 68.08 | 99% | 2018-07-26 |
| 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 |