E-7
3. Specifications
Variables: 28
Calculation range: 
p1 × 10
–99
 to p9.999999999 × 10
99
 and 0. Internal operations use 15-digit mantissa.
Exponential display range: Norm 1: 10
–2
 > |x|, |x|  10
10
 
            Norm 2: 10
–9
 > |x|, |x|  10
10
Program capacity: fx-9860GII SD/fx-9860GII/fx-9860G AU PLUS/fx-9750GII 
               62,000 bytes (max.)
        fx-7400G
II 
               20,000 bytes (max.)
Storage memory capacity: fx-9860G
II SD/fx-9860GII/fx-9860G AU PLUS: 1.5MB (max.)
            fx-9750G
II/fx-7400GII: None
Power supply: Four AAA-size batteries (LR03 (AM4))
Power consumption: fx-9860G
II SD/fx-9860GII/fx-9860G AU PLUS: 0.7 W
          fx-9750G
II/fx-7400GII: 0.35 W
Approximate battery life
fx-9860G
II SD/fx-9860GII/fx-9860G AU PLUS: 
  280 hours (continuous display of main menu) 
  200 hours* continuous operation (5 minutes calculation, 55 minutes display) 
  * fx-9860GII SD: 80 hours when an SD card is used 
  190 hours* continuous operation ( 5 minutes calculation, 55 minutes display,  
3 minutes backlight operation per hour)
  * fx-9860G
II SD: 75 hours when an SD card is used 
  1 year (unused with power off)
fx-9750G
II/fx-7400GII:  
  300 hours (continuous display of main menu) 
  230 hours continuous operation (5 minutes calculation, 55 minutes display) 
  1 year (unused with power off)
• Any of the following can shorten battery life.
  - Certain SD card types or frequent SD card access
  - Frequent use of the backlight
  - Sequential program calculation execution
  - Certain battery types
Auto power off:
Power is automatically turned off approximately 10 minutes or 60 minutes after last operation.
Ambient temperature range: 0°C to 40°C (32°F to 104°F)