Basic Math Symbols

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Across
  1. 3. ÷
  2. 7. Decimal point
  3. 8. *
  4. 10. Inequality >,<
  5. 11. []
  6. 12. Meaning of power and caret
  7. 13. Approximately equal
  8. 14. Sign≠
  9. 15. %
  10. 18. Remainder calculation
Down
  1. 1. ≥,≤
  2. 2. •
  3. 4. a^b
  4. 5. Line,-
  5. 6. +sign
  6. 9. -sign
  7. 16. =
  8. 17. ab