Numbers And Math

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Across
  1. 5. A sign that represents incrementation
  2. 6. Contrary to the sign that represents incrementation
  3. 8. Repeated addition
  4. 9. Certainly not above zero
  5. 12. %
  6. 13. Incrementation
  7. 14. Sharing is caring
Down
  1. 1. f(x)
  2. 2. IT NEVER ENDS
  3. 3. Decrementation
  4. 4. Not whole, uses a dot
  5. 7. The most well known irrational...probably
  6. 10. Not whole, uses a line
  7. 11. Certainly above zero