Basic Math Symbols

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Across
  1. 2. 1% = 1/100
  2. 3. ⋅
  3. 8. 3√a
  4. 9. —
  5. 10. Remainder calculation
  6. 15. Decimal point, decimal separator
  7. 16. ≠
  8. 17. a^b
  9. 18. <
  10. 19. √a
  11. 20. Calculate expression inside first
Down
  1. 1. −
  2. 4. ×
  3. 5. 4√a
  4. 6. 2³ = 8
  5. 7. √a
  6. 11. /
  7. 12. *
  8. 13. []
  9. 14. ≥