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409
General
Display system:
21-character × 8-line liquid crystal display; 10-digit mantissa and 2-digit exponent for
calculations: displays binary, octal, decimal, hexadecimal, sexagesimal, fraction,
complex number values
Text display:
Up to 128 characters for function commands, program commands, alpha characters
Error check function:
Check for illegal calculations (using values greater than 10
100
), illegal jumps, etc.
Indicates by error message display.
Power supply:
Main: Four AAA-size batteries (LR03 (AM4) or R03 (UM-4))
Back-up: One CR2032 lithium battery
Power consumption: 0.06W
Battery life
Main:
LR03 (AM4): Approximately 300 hours (continuous display of main menu)
Approximately 2 years (power off)
R03 (UM-4): Approximately 200 hours (continuous display of main menu)
Approximately 2 years (power off)
Back-up: Approximately 2 years
Auto power off:
Power is automatically turned off approximately six minutes after last operation ex-
cept when drawing dynamic graphs.
The calculator automatically turns off if it is left for about 60 minutes with a calcula-
tion stopped by an output command (^), which is indicated by the “-Disp-” message
on the display.
Ambient temperature range: 0°C to 40°C
Dimensions: 19.7 mm (H) × 83 mm (W) × 175.5 mm (D)
3
/4" (H) × 3
1
/4" (W) × 6
7
/8" (D)
Weight: 190g (including batteries)
Specifications Appendix F
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