Across
- 4. Sequence where each term is the sum of the previous two
- 6. Alternative to degrees for measuring angles
- 17. Irrational constant approximated by 1.618
- 20. Having the same size and shape
- 21. Study of spaces that deform without tearing
- 22. Transform used for differential equations
- 24. Mathematician behind a famous formula linking e, i, and π
- 26. Inventor of calculus (independently of Leibniz)
- 28. Step-by-step computational procedure
- 30. Triangle guy, or unit of pressure
- 31. Non-orientable surface with no boundary
- 32. Donut-shaped surface
- 34. Degree-2 polynomial
- 36. Quadrilateral with equal sides but not necessarily right angles
- 37. Where a function or spacetime "blows up"
- 38. Multiplier of a variable in algebra
Down
- 1. Larger than any number
- 2. Curve described by y = ax² + bx + c
- 3. Describes position in a sequence
- 5. Expression with two terms
- 7. A curve’s forever companion, never touching
- 8. Average of squared deviations
- 9. Expansion technique for functions near a point
- 10. Balanced proportions or invariance under transformation
- 11. Longest side in a right triangle
- 12. Product of consecutive integers down to 1
- 13. Expression with many terms
- 14. Inverse operation of exponentiation
- 15. Function tied to the distribution of prime numbers
- 16. Line joining non-adjacent vertices
- 18. Scalar showing how a linear transformation stretches a vector
- 19. Surface with only one side
- 23. Structure-preserving mapping in algebra
- 25. Famous misspelling of a hypothesis (trick clue for RIEMANN)
- 27. Oval conic section
- 29. Pioneer of set theory and infinity paradoxes
- 33. Mean where reciprocals are averaged
- 35. Chain-based probabilistic model