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Appendix
List features Direct data entry/edit to list, calculation function for various
lists, and list/matrix conversion.
Substitution features Graph drawing, numerical input from split-screen
Slide Show features Screen image capture, play function
The maximum number of pages to be captured:
Approx. 250 pages (pages equivalent to the Y = X
2
graph
screen)
Program features Condition statement command, subroutine, graph, various
function commands
Option menu Screen contrast adjustment, memory usage check, data
delete, data link (between EL-9900 and PC or another EL-
9900)
Memory size 64 KB (user area: approx. 47.4 KB)
Power supply Operation: 6 V DC...
—
AAA manganese battery (R03) × 4
Memory backup: 3 V DC...
—
Lithium battery (CR2032) × 1
Automatic power-off Approx. 10 minutes
Operating temperature range
0 °C to 40 °C (32 °F to 104 °F)
Power consumption 0.23
W
Battery life Operation battery set: approx. 150
hours (with 5 minutes of
continual use and 55 minutes in the display state for every
hour at a temperature of approx. 20 °C/68 °F)
Memory backup: approx. 5 years (at a temperature of approx.
20 °C/68 °F, and when the operation batteries are replaced
frequently)
Note: The life span may differ according to battery brand, type,
usage, and ambient temperature.
External dimensions 86 mm (W)
× 183 mm (D) × 23 mm (H)
3-3/8” (W) × 7-7/32” (D) × 29/32” (H)
Weight 240 g ( 0.53 lb) (with batteries, without the hard cover)
Accessories 4 AAA manganese batteries (included), 1 lithium battery
(installed), operation manual