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 |
|---|---|---|---|---|
| 4397. | Brian (brianthetypist) | 73.84 | 96% | 2017-08-22 |
| 4398. | (shaun022) | 73.81 | 97% | 2020-04-26 |
| 4399. | Hubert (hubertle85639) | 73.81 | 96% | 2018-12-14 |
| 4400. | Drew (drew_angell) | 73.80 | 95% | 2018-03-11 |
| 4401. | 键盘毁灭者 (something_... | 73.79 | 98% | 2020-08-06 |
| 4402. | West (westqt) | 73.76 | 94% | 2017-02-17 |
| 4403. | Austin (austincolibaba) | 73.76 | 97% | 2020-11-02 |
| 4404. | Aries (ariesstyle) | 73.75 | 96% | 2017-03-17 |
| 4405. | Dipto (d_d_d) | 73.75 | 98% | 2019-05-25 |
| 4406. | LB (man_onatree) | 73.74 | 96% | 2019-07-18 |
| 4407. | Ognjen (lesinar) | 73.74 | 98% | 2017-08-19 |
| 4408. | Kid from Beyoğlu (euthymia) | 73.73 | 96% | 2017-03-08 |
| 4409. | jay (jayssoonn09) | 73.73 | 98% | 2020-05-12 |
| 4410. | yappa (yappa99_rc) | 73.72 | 98% | 2018-01-07 |
| 4411. | Code (codename47) | 73.72 | 96% | 2017-11-23 |
| 4412. | Jake (networkdrift) | 73.69 | 95% | 2017-05-30 |
| 4413. | Kim Jong-il (a9088391) | 73.68 | 99% | 2020-06-21 |
| 4414. | hinomy (hinomiya) | 73.67 | 97% | 2020-04-19 |
| 4415. | Jay (jaydhanani36) | 73.67 | 97% | 2019-10-07 |
| 4416. | neil (neil_da_nub) | 73.67 | 97% | 2020-06-03 |
| 4417. | Anthony (anthony_787) | 73.66 | 96% | 2020-11-05 |
| 4418. | ttvnaaya786 (ttvnaaya786) | 73.66 | 98% | 2020-11-30 |
| 4419. | Sexy (caitlynpurwa) | 73.66 | 97% | 2017-06-27 |
| 4420. | Ryuu (sacreddany) | 73.66 | 94% | 2017-03-11 |
| 4421. | Dant (dancal22) | 73.65 | 97% | 2018-02-20 |
| 4422. | Kabir (daybreaker) | 73.65 | 96% | 2020-05-05 |
| 4423. | Maria (mariata) | 73.64 | 96% | 2017-02-01 |
| 4424. | Derek (derekkeiley) | 73.63 | 99% | 2020-04-09 |
| 4425. | Daniel (lazerfox) | 73.63 | 97% | 2018-06-26 |
| 4426. | Sunil (sunilbv) | 73.63 | 97% | 2020-09-06 |
| 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 |