- Deli Electronics 1671C Calculator,
- 150 Check Calculator
- 14 DIGIT,
- LARGE DISPLAY,
- DUAL POWER,
- METAL FACEPLATE
Deli Electronics 1671C Calculator all use the same order for carrying out mathematical operations. This order is not necessarily the same as just reading a calculation from left to right.
The rules for carrying out mathematical calculations specify the priority and so the order in which a calculation should be done - scientific calculators follow the same order.