FX-991ES PLUS matrix complex solution system of equations high school college student function computer science calculator
Technical Details
| Applicable Battery Type: | Dual Power Supply |
| Brand Name: | OSALO |
| Material: | ABS |
| Max. Digits: | 12 |
| Model Number: | 991 |
| Power Source: | button battery + solar power supply |
| Style: | Scientific |
| Usage: | scientific calculator |
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