Across
- 4. 1%=1/100
- 6. calculate expression inside first
- 8. <
- 10. remainder calculation
- 11. minus sign
- 12. approximation
- 14. plus sign
- 16. ³√a
- 17. multiplication
- 20. ppm
Down
- 1. √a
- 2. a^b
- 3. ⁴√a
- 5. *
- 7. 2^3=8
- 9. division
- 13. decimal point
- 15. greater than or equal
- 18. ()
- 19. division slash