Basic Math Symbols

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Across
  1. 4. ( )
  2. 6. means only less than/ <
  3. 9. means equality/ =
  4. 10. decimal point
  5. 11. means to divide/ ÷
  6. 12. means exponent/ a^b
  7. 13. means to multiply/ *
  8. 16. means approximation/ ≈
  9. 17. 1ppm = 1/1000000
  10. 20. means greater than/ >
  11. 21. means both minus and plus operations/ ±
  12. 22. means addition/ +
Down
  1. 1. √a ⋅ √a = a
  2. 2. means to calculate expression inside
  3. 3. means subtraction/ -
  4. 5. means to fraction and division/ —
  5. 7. means greater than or equal to/ ≥
  6. 8. means both plus and minus operations/ ±
  7. 14. means remainder calculation
  8. 15. 1% = 1/100
  9. 18. means inequality/ ≠
  10. 19. means to calculate expression inside first/ [ ]