Basic Math Symbols

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