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 |
|---|---|---|---|---|
| 7820. | lgwk (lgwk) | 45.68 | 96% | 2020-02-05 |
| 7821. | Sendy (sendyakbar) | 45.66 | 95% | 2019-04-20 |
| 7822. | Ab (abdir) | 45.63 | 92% | 2020-06-07 |
| 7823. | Vincent (turbovince) | 45.62 | 96% | 2020-12-08 |
| 7824. | Mohamad (fazel94) | 45.61 | 92% | 2017-07-01 |
| 7825. | chok (rmuti56) | 45.60 | 96% | 2017-06-23 |
| 7826. | sobad (sobad123) | 45.60 | 93% | 2020-04-01 |
| 7827. | Mistakes Were Made (rhino1998) | 45.57 | 95% | 2018-02-13 |
| 7828. | Lim (limn0727) | 45.56 | 96% | 2020-10-12 |
| 7829. | tstats[odnan] (odnan) | 45.55 | 94% | 2020-09-20 |
| 7830. | Mohamed (mohamed_zouhri) | 45.53 | 96% | 2020-11-13 |
| 7831. | Lionex (epiclionex) | 45.52 | 95% | 2018-10-25 |
| 7832. | CHEA (cheakongyou) | 45.51 | 94% | 2018-02-11 |
| 7833. | rhys (rhys22199) | 45.51 | 86% | 2017-01-26 |
| 7834. | Sangryool (sangryool) | 45.45 | 90% | 2017-04-30 |
| 7835. | Roland (manong50wpm) | 45.45 | 95% | 2020-06-27 |
| 7836. | Akash (akashpatel20) | 45.44 | 97% | 2020-12-12 |
| 7837. | Masean (jackman15911) | 45.44 | 98% | 2020-02-26 |
| 7838. | harry (harry1992) | 45.42 | 97% | 2018-04-11 |
| 7839. | Rafoz (wireless9) | 45.41 | 95% | 2019-03-17 |
| 7840. | Kamontat (kamontat) | 45.40 | 95% | 2019-12-07 |
| 7841. | sAnideos (sanideos) | 45.37 | 95% | 2020-08-17 |
| 7842. | bhagath (bhagath501) | 45.33 | 95% | 2018-06-29 |
| 7843. | Alex (mythsty) | 45.33 | 96% | 2020-09-21 |
| 7844. | drop that chitty ching chin... | 45.26 | 94% | 2017-12-20 |
| 7845. | fred (fred_b) | 45.24 | 95% | 2020-04-29 |
| 7846. | Ian (intothevoid) | 45.24 | 98% | 2018-07-11 |
| 7847. | meerkat (dr_meerkat) | 45.23 | 98% | 2020-06-12 |
| 7848. | Alexis (aamq15) | 45.21 | 94% | 2018-12-05 |
| 7849. | rajnish (rajnishbdps20) | 45.19 | 88% | 2017-02-07 |
| 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 |