Greek Alphabet Crossword Challenge

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Across
  1. 2. The sixth letter of the Greek alphabet; often used in mathematics and engineering.
  2. 4. Used to represent curvature in mathematics; the eleventh letter of the Greek alphabet.
  3. 6. Represents wavelength in physics; the twelfth letter of the Greek alphabet.
  4. 8. Used to denote micro- (one millionth) or mean in statistics; the thirteenth letter of the Greek alphabet.
  5. 9. Represents efficiency or the eighth letter of the Greek alphabet.
  6. 11. commonly used to denote an angle in mathematics; the ninth letter of the Greek alphabet.
  7. 13. Represents the smallest unit or quantity; the tenth letter of the Greek alphabet.
  8. 14. Used in various scientific fields; the fifteenth letter of the Greek alphabet.
  9. 15. Symbolizes frequency in physics; the fourteenth letter of the Greek alphabet.
Down
  1. 1. The second letter of the Greek alphabet; used to represent a second version or secondary item.
  2. 3. The first letter of the Greek alphabet; often used to denote the first in a series.
  3. 5. represents the third letter in the Greek alphabet; used in physics for gamma rays.
  4. 7. Symbolizes change or difference in mathematics; also the fourth letter of the Greek alphabet.
  5. 10. Represents the mathematical constant approximately equal to 3.14159; the sixteenth letter of the Greek alphabet.
  6. 12. represents a small positive quantity in mathematics; the fifth letter of the Greek alphabet.