Newtonian Influence

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Across
  1. 4. method of derivative used by Leibniz
  2. 6. what movement did Newton influence?
  3. 8. what did Newton discover
Down
  1. 1. derived from Latin term "small pebble"
  2. 2. combination of two or more numbers
  3. 3. retraction of two or more numbers
  4. 5. method of derivative that was hard to manipulate?
  5. 7. where did Newton get buried?