The Casio fx-85GT X and fx-83GT X user guide provides instructions for setup, calculations, functions, and maintenance.
This user guide covers everything needed to operate the Casio fx-85GT X and fx-83GT X scientific calculators, including initial setup, menu navigation, calculation modes, and advanced functions such as statistical and regression calculations. It also contains safety and handling precautions, battery replacement instructions, and a full FAQ section.
The manual includes detailed information on display contrast adjustment, key markings, memory functions, and how to reset the calculator to its default settings. Technical specifications such as dimensions, weight, power requirements, and operating temperature are provided at the end of the document.
| Dimensions (fx-85GT X) | 13.8 (H) × 77 (W) × 165.5 (D) mm |
|---|---|
| Approximate Weight (fx-85GT X) | 100 g (3.5 oz) including the battery |
| Power Requirements (fx-85GT X) | Built-in solar cell; button battery LR44 × 1 |
| Approximate Battery Life (fx-85GT X) | 2 years |
| Operating Temperature (fx-85GT X) | 0°C to 40°C (32°F to 104°F) |
| Dimensions (fx-83GT X) | 11.1 (H) × 77 (W) × 165.5 (D) mm |
| Approximate Weight (fx-83GT X) | 90 g (3.2 oz) including the battery |
Press (SETUP) (Input/Output) (LineI/LineO), or (SETUP) (Input/Output) (LineI/DecimalO).
While a fraction calculation result is displayed, press . To have results appear as decimals by default, change the Input/Output setting to MathI/DecimalO.
Ans Memory stores the result of the last calculation. Independent Memory can totalize multiple results. Variables hold values you can reuse in calculations.
Perform the reset operation: (RESET) (Setup Data) (Yes). This clears all data except the contrast setting.