Math

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Across
  1. 1. something about differentiation and calculus
  2. 3. something to do with a square root
  3. 4. one of the basic of math
  4. 5. included Differentiation and Integration
  5. 7. something to do with functions
  6. 8. something to do with unknown stuff.
Down
  1. 2. a very hard math function about triangles
  2. 6. divide by itself