Maths Crozzword

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Across
  1. 2. L+
  2. 5. this your pilot speaking
  3. 7. four million five hundred and sixty seven thousand two hundred and sixty nine
  4. 8. a differential operator applied to 3D vectorvalued function
  5. 9. a special ratio in which the two terms are in different units
  6. 11. branch of mathematics that deals with symbols or variables
Down
  1. 1. resolve or be resolvable into factors
  2. 3. we have the same variables and powers
  3. 4. a relative value indicating hundreth parts of any quantity
  4. 6. rules
  5. 10. make larger or more extensive