A String of Math

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Across
  1. 5. An important reference for trig
  2. 8. sine, cosine and...
  3. 10. You sew with a needle and...
  4. 12. Has one variable
  5. 13. Weaving uses a...
Down
  1. 1. the sum of a series
  2. 2. A patchwork blanket
  3. 3. Knitting and Crochet need...
  4. 4. Uses scatter plots
  5. 6. log is short for...
  6. 7. Pascals...
  7. 9. The best math teacher at North
  8. 10. Correlation is shown with a ... line
  9. 11. Trigonometry is for ... triangles