α
-10
4. Specifications
Variables:
28
Calculation range:
±
1 × 10
–99
to
±
9.999999999 × 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:
62,000 bytes (max.)
Storage memory capacity:
1MB (max.)
Power supply:
Four AAA-size batteries (LR03 (AM4)), or four nickel-metal hydride batteries
Power consumption:
0.8 W
Approximate battery life:
• New alkaline batteries or fully-charged new nickel-metal hydride batteries used in an ambient
temperature of 25°C.
• Operating Conditions
(a) Continuous main menu display
Backlight lit for the first 30 seconds of each hour, and then turned off after that.
(b) Repeat of one-hour cycle of (1), (2), and (3) below.
(1) Main Menu display for 5 minutes
(2)
PRGM
mode calculation for 5 minutes
(3) 50 minutes of
PRGM
mode display
Backlight lit for the first 30 seconds of the three-step operation, and then turned off after
that.
(c) Repeat of one-hour cycle of (1), (2), and (3) below.
(1) Main Menu display for 5 minutes
(2) Five minutes of SD card use
(3) 50 minutes of
PRGM
mode display
Backlight lit for the first 30 seconds of the three-step operation, and then turned off after
that.
(d) Power off
Operating
Conditions
Batteries
(a)
(b)
(c)
(d)
Four AAA-size alkaline
batteries LR03 (AM4)
280 hours
200 hours
65 hours
1 year
Four nickel-metal hydride
batteries
(recommended type only)
170 hours
(Reference)
120 hours
(Reference)
35 hours
(Reference)
