This is fx-570MS fx-991MS CA 310030-001V08 User's Guide 2 (Additional Functions), which mainly introduces the calculation functions of the product, such as sine, cosine, exponential, logarithm, trigonometric function, complex number, matrix, vector, etc.
This guide covers the operation of the Casio fx-570MS and fx-991MS scientific calculators. It explains how to select calculation modes, perform mathematical, statistical, matrix, vector, and complex number calculations, and use engineering symbols.
The manual also provides instructions for battery replacement, power‑supply details, and full technical specifications such as dimensions, weight, and operating temperature.
| Power Supply (fx-570MS) | Single G13 Type button battery (LR44) |
|---|---|
| Dimensions (fx-570MS) | 12.7 mm (H) × 78 mm (W) × 154.5 mm (D) |
| Weight | 105 g (3.7 oz) including battery |
| Battery Life (fx-570MS) | Approximately 9,000 hours continuous display |
| Operating Temperature | 0 °C to 40 °C (32 °F to 104 °F) |