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