Across
- 4. Pi also has another name, after an ancient Greek mathematician
- 5. This famous physicist was born today
- 6. What type of number is pi?
- 7. The first 36 digits of pi has this name, after a German-Dutch mathematician that calculated the numbers during most of his life
- 8. A suggested alternative to pi, which equals 2 times pi, and is supposedly more intuitive to use for some math applications
- 9. The symbol for pi was introduced by William Jones, a Welsh mathematician, in 1706, but it was made more widely popular by this mathematician.
Down
- 1. The last man on the moon (so far) was born today
- 2. This man from Vellore, India, memorized the first 70,000 digits of pi
- 3. This science museum in San Francisco started the celebration of pi day in 1988