Model 2640-2 Keyboard Layout
1. Decimal Selector
2. Rounding Selector
3. K or A Mode Selector
4. Grand Total Switch
5. OFF, Print or Item Count
Switch
6. Paper Feed
7. Back Space
8. Cost
9. Sell
10. Margin
11. Time/Date Display
12. Tax Rate Preset
13. Tax 1
14. Tax 2
15. Grand Total
16. Square Root
17. Non-add / Subtotal
18. Total / Clear
19. Sign Change
20. Delta Percentage
21. Clear Entry
22. Numeric Key Pad
23. Subtraction or Equal −
24. Addition or Equal +
25. Percentage
26. Division
27. Multiplication
28. Memory Total
29. Memory Subtotal
30. Memory Subtraction
31. Memory Addition
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