BASIC MATH SYMBOLS

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Across
  1. 4. ab
  2. 6. decimal point,decimal separator
  3. 10. √a ⋅ √a = a
  4. 12. division / fraction
  5. 15. minus sign
  6. 16. approximately equal
  7. 18. multiplication
  8. 20. calculate expression inside first
Down
  1. 1. 4√a ⋅ 4√a ⋅ 4√a ⋅ 4√a = a
  2. 2. [ ]
  3. 3. division slash
  4. 5. per-million
  5. 7. equal
  6. 8. a^b
  7. 9. %
  8. 11. not equal sign
  9. 13. plus sign
  10. 14. remainder calculation
  11. 17. 4 < 5
  12. 19. division / fraction