Across
- 2. first name of KKK
- 4. had a triangle
- 7. not cane
- 9. left maths on a bridge
- 11. also had a theorem
- 12. a series sort of chap
- 13. cut short
- 15. bony scot
- 18. must have had a first theorem
- 19. self-taught indian
- 21. hotel owner?
- 22. Em, see squared!
- 23. delta man
- 25. NNNs last, at last.
Down
- 1. rhymes with cows?
- 3. hardly two faced
- 5. co-she?
- 6. statistically ornithological?
- 8. or was it liebniz
- 10. is she fond of this cloth?
- 14. sounds like it's not her
- 16. you can and... but he ...?
- 17. here's looking at you kid, badly
- 20. first name of FFF
- 24. first name of MMM