Basin Math Symbol Names by Ibanez

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Across
  1. 5. equal ≈
  2. 7. root 4√a
  3. 8. root 3√a
  4. 10. sign =
  5. 11. sign ÷
  6. 13. root √a
  7. 14. inequality >
  8. 16. sign ×
  9. 18. sign −
  10. 19. ‰
  11. 20. *
Down
  1. 1. mod
  2. 2. dot .
  3. 3. [ ]
  4. 4. ≥
  5. 6. sign +
  6. 9. ( )
  7. 12. equal sign ≠
  8. 15. slash /
  9. 17. %