Geometry Symbols

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Across
  1. 3. ×
  2. 5. [ ]
  3. 6. | A |
  4. 8. A -1
  5. 9. •
Down
  1. 1. A*
  2. 2. ( )
  3. 4. rank(A)
  4. 6. dim(U)
  5. 7. Poduct A⊗B