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 |
|---|---|---|---|---|
| 7161. | Peter (peter12253) | 52.76 | 89% | 2017-05-16 |
| 7162. | jeff (rag333) | 52.72 | 95% | 2020-04-15 |
| 7163. | MrShoe (mr_shoe) | 52.72 | 96% | 2019-09-26 |
| 7164. | julian (jihadijulian) | 52.70 | 95% | 2020-06-05 |
| 7165. | Justin (bobbymcgee69) | 52.70 | 94% | 2017-12-21 |
| 7166. | iambluu (brandonluu145) | 52.69 | 94% | 2018-07-23 |
| 7167. | Avalanche (arnobel) | 52.68 | 98% | 2020-02-02 |
| 7168. | Hugo (hugohugorm) | 52.68 | 95% | 2019-01-11 |
| 7169. | Tim (timmyg5) | 52.67 | 95% | 2018-02-08 |
| 7170. | Gordon (gordonxu) | 52.66 | 94% | 2019-09-06 |
| 7171. | Sergi (brutusmag) | 52.65 | 99% | 2018-06-08 |
| 7172. | Ash (ash_shuvo) | 52.62 | 95% | 2018-01-23 |
| 7173. | Quinten (qspuijman) | 52.62 | 94% | 2017-05-22 |
| 7174. | Pornelius (pornelius_hubert) | 52.61 | 93% | 2019-11-11 |
| 7175. | Amie (asears76) | 52.61 | 97% | 2017-11-14 |
| 7176. | nat2980 (nat2980) | 52.59 | 94% | 2020-01-24 |
| 7177. | Shamim (shamimiqram) | 52.57 | 95% | 2017-08-24 |
| 7178. | solitairemaster467 (solitai... | 52.57 | 94% | 2020-05-15 |
| 7179. | Iqbal (iqbalus97) | 52.56 | 97% | 2017-08-24 |
| 7180. | Alexis (braveghost) | 52.54 | 96% | 2019-02-20 |
| 7181. | Aldir (faway) | 52.53 | 96% | 2018-07-23 |
| 7182. | William (ithan) | 52.50 | 97% | 2017-05-22 |
| 7183. | Eddie (nightwing_eddie) | 52.50 | 95% | 2020-12-03 |
| 7184. | m1m0 (yamadoot) | 52.49 | 94% | 2018-04-18 |
| 7185. | Jake (jakepark0405) | 52.49 | 97% | 2019-03-14 |
| 7186. | Janitra (jap13) | 52.46 | 95% | 2017-06-21 |
| 7187. | daniel (xghst) | 52.43 | 95% | 2020-04-05 |
| 7188. | Omor (omor2) | 52.41 | 96% | 2020-10-08 |
| 7189. | joseph (jmuganga544) | 52.41 | 97% | 2018-08-04 |
| 7190. | Sam (june_waves) | 52.37 | 94% | 2020-12-01 |
| 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 |