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 |
|---|---|---|---|---|
| 4980. | Long (longn5) | 69.35 | 95% | 2017-05-02 |
| 4981. | Amir (amirt) | 69.35 | 96% | 2017-11-22 |
| 4982. | Gagan (gaganso) | 69.35 | 97% | 2018-02-10 |
| 4983. | Igor (ikarus_873) | 69.34 | 96% | 2020-07-01 |
| 4984. | Aamina (spicypiano) | 69.34 | 94% | 2017-02-23 |
| 4985. | Mimi (merrymolly23) | 69.34 | 91% | 2017-04-07 |
| 4986. | yan (shocker142) | 69.33 | 95% | 2020-08-31 |
| 4987. | Israel is committing a geno... | 69.33 | 97% | 2019-03-26 |
| 4988. | rat (rakend) | 69.33 | 98% | 2020-06-14 |
| 4989. | potato (jellaye) | 69.32 | 96% | 2020-05-31 |
| 4990. | Mubashir (monkegates) | 69.32 | 97% | 2020-08-29 |
| 4991. | Nguyen (kidtrum) | 69.31 | 96% | 2017-01-15 |
| 4992. | R1ng (r1ng) | 69.30 | 94% | 2020-08-07 |
| 4993. | Marcelo (amsua99) | 69.29 | 98% | 2020-08-13 |
| 4994. | Numan (numankhan) | 69.28 | 96% | 2018-05-30 |
| 4995. | ifreund (ifreund) | 69.26 | 96% | 2020-09-04 |
| 4996. | Nikhil (_programmer_) | 69.25 | 95% | 2019-02-18 |
| 4997. | Jester. (jesterdaicha) | 69.25 | 99% | 2018-06-07 |
| 4998. | Xedar (xedar_ua) | 69.23 | 92% | 2017-03-09 |
| 4999. | Tom (speedor) | 69.23 | 93% | 2017-10-25 |
| 5000. | Anais (fudgeebarr) | 69.22 | 98% | 2020-03-19 |
| 5001. | Dwarf (dwarftyper) | 69.22 | 97% | 2017-08-26 |
| 5002. | Hoshiyami (hoshi_inu) | 69.22 | 97% | 2019-03-09 |
| 5003. | suppakit (oloxbangxolo) | 69.22 | 96% | 2019-04-13 |
| 5004. | Akrish (akrish) | 69.22 | 97% | 2019-04-27 |
| 5005. | Fetajuice (fetajuice) | 69.21 | 98% | 2020-07-21 |
| 5006. | DabFidgetSpinner (soongb) | 69.20 | 95% | 2019-03-14 |
| 5007. | Eshan (eshakrani) | 69.20 | 96% | 2018-09-11 |
| 5008. | Liam (liam236) | 69.20 | 97% | 2018-08-23 |
| 5009. | Jack (luiden) | 69.20 | 90% | 2017-01-26 |
| 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 |