Key facts
- Brand
- Casio
- Model
- fx-570ES PLUS fx-991ES PLUS
- Category
- Other Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2023-10-16
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CASIO fx-570ES PLUS and fx-991ES PLUS Scientific Calculator User's Guide
This manual serves as a comprehensive guide for the CASIO fx-570ES PLUS and fx-991ES PLUS scientific calculators. It details essential procedures such as initializing the device, adjusting display contrast, and understanding key markings and indicators. The document explains how to navigate menus and select specific calculation modes including general calculations (COMP), complex numbers (CMPLX), statistics (STAT), equations (EQN), matrices (MATRIX), vectors (VECTOR), and base-n systems (BASE-N).
Read onlineCASIO fx-570ES PLUS fx-991ES PLUS specifications
| Battery Type (fx-991ES PLUS) | LR44 (GPA76) or R03 (UM-4) |
|---|---|
| Battery Type (fx-570ES PLUS) | R03 (UM-4) |
| Auto Power Off Time | 10 minutes |
All CASIO fx-570ES PLUS fx-991ES PLUS documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
How do I initialize the calculator?
Press 9(CLR), then select 3(All) and confirm with =(Yes).
From: CASIO fx-570ES PLUS and fx-991ES PLUS Scientific Calculator User's Guide
When should I replace the battery?
Replace it at least once every three years for the fx-991ES PLUS or two years for the fx-570ES PLUS.
From: CASIO fx-570ES PLUS and fx-991ES PLUS Scientific Calculator User's Guide
How do I initialize the calculator to default settings?
Press (CLR), (ALPHA), and (&) then select Yes.
When should I replace the battery?
Replace it at least once every three years for fx-991ES PLUS or two years for fx-570ES PLUS.