Islamic Inventions

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Across
  1. 3. Instrument used to crush bladder stones
  2. 4. "Equations' playground, where numbers and letters dance together!"
  3. 7. Engine's prima donna? This twisted star keeps things turning!
  4. 9. String Instrument similar to Lute
  5. 10. A devise of measuring the diameter of sun
  6. 11. An astronomical instrument
Down
  1. 1. Islamic Soft Drink.
  2. 2. Celestial navigation device that determines latitude
  3. 5. Islamic poetry
  4. 6. Java joy potion
  5. 8. The ten Arabic numerals we use today.