mathematics

12345
Across
  1. 3. 1/(5588)
  2. 5. 89 x ((89))
Down
  1. 1. cuberoot(7)
  2. 2. 8 x (0ˇ
  3. 4. 8 x (abs(abs(fact(8))) 8 x
  4. 5. 81 x 89