BASIC MATH SYMBOL

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Across
  1. 4. is a binary operator that indicates addition
  2. 5. a set of marks, like parentheses,
  3. 6. divide the number by the whole and multiply by 100
  4. 9. this symbol "∛"
  5. 11. These are also known as the round brackets
  6. 12. short horizontal line with a dot above and another dot below
  7. 13. this symbol "ppb"
  8. 16. this symbol "≠"
  9. 17. a binary operator to indicate the operation of subtraction
  10. 18. also known as the dimension sign
  11. 19. this symbol "≈"
Down
  1. 1. is a symbol used to separate the whole part of a number
  2. 2. the √ symbol that is used to denote
  3. 3. the mid-line dot operator
  4. 7. this symbol "∜"
  5. 8. ndicates parts per thousand. The associated symbol is ‰,
  6. 10. also called a "star"
  7. 14. this symbol "="
  8. 15. it is frequently abbreviated as mod