Across
- 3. He developed a method for identifying prime numbers.
- 7. Worked with similar triangles and right triangles.
- 9. Worked with Non-Euclidean elliptic geometry.
- 10. Found a way to determine the area of a triangle from its side lengths.
- 14. Worked with fractals.
- 15. The first to use a number line and a symbol for infinity.
Down
- 1. Known for his special 3d shapes.
- 2. His diagrams are still used in probability today.
- 4. Known for her hypothesis about Hilbert's 10th Problem.
- 5. First name of the person who proved the Binomial Theorem.
- 6. Developed cartesian coordinates.
- 8. Developed a formula for the volume of a cone.
- 11. Developed basic rules for using zero and worked with negative numbers.
- 12. Invented a two-dimensional surface with only one side.
- 13. Developed infinitesimal calculus.