Across
- 4. √a ⋅ √a = a
- 7. 1ppm = 1/1000000
- 10. both plus and minus operations/ ±
- 11. means greater than or equal to/ ≥
- 13. means approximation/ ≈
- 14. means inequality/ ≠
- 15. means to multiply/ *
- 17. calculate expression inside first/()
- 19. means to divide/ ÷
- 21. means to fraction and division/ —
Down
- 1. 1% = 1/100
- 2. calculate expression inside first/[ ]
- 3. means only less than/ <
- 5. means remainder calculation
- 6. means exponent/ a^b
- 8. means subtraction/ -
- 9. both minus and plus operations/ ±
- 12. means greater than/ >
- 16. means addition/ +
- 18. decimal point
- 20. means equality/ =