jason's calc crossword

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Across
  1. 4. divide
  2. 6. angle less than 90
  3. 8. e^x
  4. 10. plus
  5. 13. x^2
  6. 14. times
  7. 15. angle more than 90
Down
  1. 1. x and y
  2. 2. lumber
  3. 3. minus
  4. 5. plant
  5. 7. 3.14
  6. 9. equals c
  7. 11. integer
  8. 12. pi r^2