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 |
|---|---|---|---|---|
| 4459. | zapelots (zapelots) | 73.43 | 97% | 2020-08-21 |
| 4460. | Karl (karlpn) | 73.41 | 97% | 2018-08-18 |
| 4461. | Rodrigo (rdcmdev) | 73.37 | 98% | 2018-07-06 |
| 4462. | Naveen (hithisisnavin) | 73.36 | 96% | 2018-10-12 |
| 4463. | Ethan (rubiks3) | 73.36 | 95% | 2020-08-16 |
| 4464. | allitAlmaty (allitalmaty) | 73.35 | 97% | 2018-11-23 |
| 4465. | Thatisdifficult (thatisdiff... | 73.35 | 96% | 2017-07-07 |
| 4466. | Bacosca (bacosca) | 73.34 | 99% | 2019-07-03 |
| 4467. | (roiii) | 73.34 | 95% | 2019-04-21 |
| 4468. | M.Ha (manhha00) | 73.34 | 97% | 2017-06-20 |
| 4469. | Alfie (theaqualord) | 73.34 | 96% | 2017-12-10 |
| 4470. | Ian (sharrrkbait) | 73.33 | 98% | 2018-07-31 |
| 4471. | Jason (jasonvincentius) | 73.33 | 97% | 2017-07-28 |
| 4472. | Mix (mihailoilic) | 73.32 | 96% | 2020-11-02 |
| 4473. | Upaj (jasper0007) | 73.32 | 97% | 2019-10-25 |
| 4474. | cosdaj (cosdaj) | 73.31 | 97% | 2018-05-13 |
| 4475. | Mancini (mancini) | 73.30 | 97% | 2017-06-19 |
| 4476. | Mukesh Yadav (mukeshyadav) | 73.30 | 97% | 2017-08-14 |
| 4477. | dani (danisirico) | 73.30 | 98% | 2020-02-21 |
| 4478. | ResidentSleeper (riggedorama) | 73.30 | 94% | 2019-04-08 |
| 4479. | ed72 (ed72) | 73.26 | 99% | 2019-02-18 |
| 4480. | John Breil (anonjb) | 73.26 | 96% | 2017-12-06 |
| 4481. | purpleraccoon (purpleraccoon) | 73.25 | 99% | 2017-08-24 |
| 4482. | Jazz (melotea) | 73.25 | 95% | 2020-06-13 |
| 4483. | Jaren (iikr4v3u5) | 73.25 | 96% | 2018-02-09 |
| 4484. | Even (luxo333) | 73.25 | 90% | 2017-04-09 |
| 4485. | noobmaster69 (noobmast3r69) | 73.24 | 97% | 2020-07-20 |
| 4486. | Hkishi (hkishi) | 73.22 | 98% | 2020-08-30 |
| 4487. | Krushna (kmane104047) | 73.22 | 92% | 2017-04-20 |
| 4488. | Jack (randomdize) | 73.21 | 95% | 2017-04-27 |
| 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 |