BASIC MATH SYMBOLS

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Across
  1. 3. %
  2. 4. 1ppm=1/1000=0.1%
  3. 6. decimal point, decimal separator
  4. 10. example 6/2=3
  5. 12. both minus and plus operations
  6. 13. example 2x3=6
  7. 14. power
  8. 15. example 2.3=6
  9. 17. calculate expression inside first
  10. 18. remainder calculation
  11. 19. example 2-1=1
  12. 20. division/fraction
Down
  1. 1. example 2^3=8
  2. 2. ppb
  3. 5. for example 4<5 or 4 is less than 5
  4. 7. plus sign
  5. 8. both plus and minus operations
  6. 9. for example 5 is equal to 2+3
  7. 11. example 2*3=6
  8. 16. ppt