Across
- 5. what is this symbol ÷
- 8. what is this symbol ≠
- 9. what is this symbol π
- 10. what is this symbol ||
- 11. what is this symbol ∼
- 12. what is this symbol ∆
- 15. what is this symbol =
Down
- 1. what is this symbol ×
- 2. what is this symbol ≅
- 3. what is this symbol +
- 4. what is this symbol ⊥
- 6. what is this symbol √
- 7. what is this symbol ~
- 13. what is this symbol∠
- 14. what is this symbol -