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 |
|---|---|---|---|---|
| 2889. | Hillary (typeymane) | 84.56 | 98% | 2017-11-22 |
| 2890. | Žan (fastap) | 84.56 | 97% | 2017-03-29 |
| 2891. | 1834 (busey) | 84.55 | 98% | 2019-08-07 |
| 2892. | Daniel (danielngyn) | 84.53 | 97% | 2019-11-21 |
| 2893. | Pham (zatekusenkinesis) | 84.53 | 98% | 2019-01-15 |
| 2894. | Pluufi (pluufi) | 84.53 | 98% | 2020-09-29 |
| 2895. | Maize (maizerowan) | 84.53 | 96% | 2017-04-08 |
| 2896. | tsapi (tsapi) | 84.53 | 97% | 2018-06-17 |
| 2897. | Shiro (shirashiro) | 84.52 | 94% | 2020-01-10 |
| 2898. | Puffin (makronmelodies) | 84.51 | 97% | 2018-12-27 |
| 2899. | Weston (wesjamber) | 84.49 | 98% | 2017-11-22 |
| 2900. | Kevin (kevkev28) | 84.49 | 96% | 2019-07-13 |
| 2901. | Stop (stopcheating) | 84.48 | 95% | 2018-02-28 |
| 2902. | Badal Babu (bcube_nimble) | 84.47 | 98% | 2020-06-11 |
| 2903. | Wei (rebeccawei7) | 84.47 | 96% | 2017-07-24 |
| 2904. | Das FoO (foobird) | 84.46 | 97% | 2020-11-20 |
| 2905. | Matt (mattseid1) | 84.45 | 100% | 2020-07-18 |
| 2906. | Prasant (man_iac) | 84.44 | 97% | 2020-12-03 |
| 2907. | deohanz (fierywormz) | 84.44 | 95% | 2020-09-07 |
| 2908. | Ryu (ryusong) | 84.42 | 98% | 2018-11-17 |
| 2909. | Joshua (blue012399) | 84.42 | 96% | 2020-10-12 |
| 2910. | Tim (euclid221) | 84.41 | 98% | 2019-08-14 |
| 2911. | Ronald (footballfan43) | 84.40 | 97% | 2019-04-05 |
| 2912. | From0ToHero (lordmeliodas) | 84.39 | 96% | 2020-12-05 |
| 2913. | bruh (erik2405_) | 84.38 | 97% | 2020-11-28 |
| 2914. | Will (whimsicalwill) | 84.38 | 98% | 2019-03-08 |
| 2915. | Beddytear (beddytear) | 84.37 | 98% | 2020-05-13 |
| 2916. | Valk (blankfox) | 84.36 | 99% | 2020-01-31 |
| 2917. | Mew (mw46) | 84.36 | 96% | 2017-02-05 |
| 2918. | Kronix (kronix6969) | 84.36 | 95% | 2020-07-28 |
| 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 |