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 |
|---|---|---|---|---|
| 4109. | Fang (fang1216) | 75.81 | 97% | 2017-06-22 |
| 4110. | Susie (susieq22) | 75.81 | 93% | 2018-02-15 |
| 4111. | Jack (yezen) | 75.80 | 98% | 2018-02-06 |
| 4112. | David (db2009) | 75.80 | 97% | 2019-01-07 |
| 4113. | Jonathan (jmart500) | 75.80 | 99% | 2019-03-08 |
| 4114. | McDubzter (mcdubzter) | 75.78 | 96% | 2018-11-19 |
| 4115. | Matthew (twixinator) | 75.77 | 96% | 2018-01-27 |
| 4116. | Machine (guldan) | 75.77 | 98% | 2017-10-28 |
| 4117. | Ayman (dalyishere) | 75.77 | 95% | 2020-11-22 |
| 4118. | Yngver (yngver) | 75.76 | 97% | 2019-04-01 |
| 4119. | James (fintero) | 75.76 | 96% | 2020-08-22 |
| 4120. | icosaedru (achimia) | 75.76 | 99% | 2018-05-19 |
| 4121. | Andrew (lomumbas) | 75.75 | 98% | 2020-08-29 |
| 4122. | abdullah (0epiphany) | 75.73 | 95% | 2018-08-17 |
| 4123. | Missy (lovelydy) | 75.73 | 93% | 2017-02-23 |
| 4124. | Kelli (kellil08) | 75.72 | 96% | 2018-12-23 |
| 4125. | 🤓 (unicorn101010) | 75.71 | 96% | 2019-08-26 |
| 4126. | 🅹🅰🆅🅴 (killer8hy... | 75.71 | 98% | 2020-08-22 |
| 4127. | exercutor5 (exercutor5) | 75.71 | 96% | 2017-12-19 |
| 4128. | Sebastian (sebtsch) | 75.70 | 97% | 2018-03-17 |
| 4129. | jeremy_bearimy (jeremy_bear... | 75.70 | 97% | 2020-10-17 |
| 4130. | Lenny (bluefire5444) | 75.67 | 97% | 2020-11-23 |
| 4131. | Zotar8 (zotar8) | 75.66 | 96% | 2017-08-26 |
| 4132. | Ashraf (ashrafsalih) | 75.66 | 90% | 2017-04-25 |
| 4133. | Phillip (ph33z) | 75.62 | 92% | 2017-03-10 |
| 4134. | Memat (memat) | 75.62 | 96% | 2020-10-19 |
| 4135. | 🚀 (wildreamz) | 75.61 | 98% | 2020-06-26 |
| 4136. | Wayne (wx007) | 75.61 | 96% | 2020-10-26 |
| 4137. | civi (civi) | 75.59 | 93% | 2017-02-08 |
| 4138. | Hal (goscinny2) | 75.59 | 96% | 2018-08-03 |
| 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 |