Across
- 2. L
- 7. =90°
- 8. matrix transpose
- 9. remainder calculation
- 10. collection of a elements
- 12. &
- 13. A ⊆ B
- 15. Ω
- 18. ∴
- 19. decimal point, decimal separator
- 20. 90
Down
- 1. dimension of matrix A
- 3. √a
- 4. XIV
- 5. Y
- 6. formed by two rays
- 7. ∨
- 11. value that occurs most frequently in population
- 14. half of the population is below this value
- 16. al-fa
- 17. A ⊇ B