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 |
|---|---|---|---|---|
| 5233. | mhee (hangzoon) | 67.96 | 96% | 2018-01-27 |
| 5234. | Filip (jagi125) | 67.96 | 95% | 2019-08-05 |
| 5235. | BeaT (anutorn) | 67.94 | 93% | 2017-03-03 |
| 5236. | Tareque Hasan (tahsin24) | 67.94 | 92% | 2017-05-11 |
| 5237. | duonghoang05@gmail.com (duo... | 67.94 | 96% | 2017-04-24 |
| 5238. | cigro (cigro) | 67.93 | 97% | 2020-04-20 |
| 5239. | Peter (rogerron) | 67.92 | 98% | 2019-08-23 |
| 5240. | TasteOfCancer (tasteofcancer) | 67.92 | 96% | 2020-04-26 |
| 5241. | JoYo (joyojo) | 67.92 | 95% | 2020-03-24 |
| 5242. | Two - (twojokers) | 67.91 | 92% | 2017-03-29 |
| 5243. | Hasan (ihassan) | 67.91 | 98% | 2019-01-19 |
| 5244. | Supab (home10120) | 67.91 | 97% | 2018-03-10 |
| 5245. | David (kahnmd35) | 67.90 | 98% | 2018-01-30 |
| 5246. | Gramm (alternativeink) | 67.90 | 98% | 2017-07-05 |
| 5247. | Zef (zefhockey) | 67.89 | 95% | 2019-11-08 |
| 5248. | Jean (notjean) | 67.89 | 97% | 2018-03-13 |
| 5249. | Anurag (anuragtetarwal) | 67.87 | 97% | 2019-01-02 |
| 5250. | Liad (ozonzono) | 67.87 | 97% | 2019-10-13 |
| 5251. | Allanbow (allanbow) | 67.87 | 98% | 2018-10-22 |
| 5252. | R (alerd) | 67.86 | 96% | 2019-01-08 |
| 5253. | Succy (succy_cacti) | 67.86 | 97% | 2019-02-24 |
| 5254. | Jessica (jessdn) | 67.86 | 96% | 2019-02-25 |
| 5255. | Ryuen (ryuenle) | 67.85 | 95% | 2020-03-21 |
| 5256. | Dannielle (dannidcmbr) | 67.85 | 96% | 2019-11-15 |
| 5257. | Alex (sixthree) | 67.85 | 97% | 2019-08-19 |
| 5258. | Kojo (kojoatta) | 67.84 | 97% | 2020-06-21 |
| 5259. | Lenard (hejlenard) | 67.84 | 94% | 2020-12-05 |
| 5260. | Para (parad) | 67.84 | 97% | 2020-07-04 |
| 5261. | Wouter (wouter_kuijk) | 67.83 | 96% | 2020-05-21 |
| 5262. | Rodolfo (rojunman) | 67.82 | 95% | 2020-10-24 |
| 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 |