Sharp ZQ-630 Operation Manual page 86

C. Specifications
Model
Display 239 x 80 dot matrix liquid crystal
display plus LCD flag
Electronic unit section
Applications Calendar, Schedule, To Do, Anniversary,
Telephone, User File, Memo, Expense,
Expense Report, Clock, Calculation,
Conversion.
ZQ-630: 256KB
Memory capacity
ZQ-640: 512KB
ZQ-650: 1 MB
Schedule application capacity:
Approx. 2860 entries (ZQ-630) / 6560
entries (ZQ-640) / 13980 entries (ZQ-
650)
Tel application capacity: Approx. 2780
entries (ZQ-630) / 6390 entries (ZQ-
640) / 13590 entries (ZQ-650)
These capacities assume the following
average entry sizes and only apply
when all the available memory is
committed.
(User area: Approx. 21 OKbytes)
(User area: Approx. 464Kbytes)
(User area: Approx. 971 Kbytes)
Schedule: 32 characters/entry
Tel:
Maximum data size Approx. 2000 bytes
per entry
User interfaces Keyboard
Secret function, data transfer, search
Other features
function, help function, et al.
Calculator digits 12
Functions Addition, subtraction, multiplication,
division, constant, square root,
percent, memory calculation, cost/sell/
margin calculation, cost/sell/markup
calculation, conversion calculation.
Clock
Crystal oscillation 32.768 Hz
frequency
Average variance per day, 1.5 seconds
Accuracy
(at 25"C/77"F)
Display information Year, month, day, day of the week,
hours, minutes, AM/PM, city names.
16 characters/entry in the
name field
12 characters/entry in the
number field