Sharp PC-1251

(Sufficient for approximately 30 0 hours usage without external power supply . )
Operating Temperature: 0 ° C ~ 40 ° C (32 ° F ~ 104 ° F)
Dimens i ons : 135 (W) x 70 (D) x 9 . 5 (H) mm
5-5 / 16 11 (W) x 2-3/4 11 (D)x3/8 11 (H)
Weight: Approximately 115 g (0.25 lbs) (with cells)
Accessor i es : Wallet , two lithium cells (bu i lt-in), two keyboard templates and instruction manual
Options : Printer/M i cr ocassette Recorder (CE - 125)
Power Consumption:
Power Supply:
Numeric Precision:
Editing Features:
Memory Protection :
Display:
Keys:
Ope r ators:
Addition, subtraction, multiplication, division, exponentiation, trigonometric and
inverse trigonometric functions , logarithmic and exponential functions, angle conver-
sion, square root, sign, absolute, integer , relational operators, logical operators .
10 digits (mantissa) + 2 digits (exponent)
Cursor left and right, line up and down , character insert, character delete .
CMOS Battery backup
24 character liqu i d crystal display with 5 x 7 dot characters
52 keys : Alphabetic, numeric, spec i al symbols , and funct i ons. Numeric pad. Use r
defined keys.
6.0 V DC Lithium cells
Type: CR - 2032
6.0 V DC@0.03 W
Stack :
Sub-routine:
10 stacks
FOR-NEXT :
5 stacks
Function:
16 stacks
Data :
8 stacks
(RAM: 4 K)
48 Bytes
3486 Bytes
208 Bytes
About 500 Bytes
24 K Bytes System ROM :
RAM
System
User
Fixed Memory Area
(A~ Z , A$~ Z$)
Reserve Area
Program/Data Area
Memory Capacity:
Model: PC-1251 Pocket Computer
Processor: 8 bit CMOS CPU
Programming Language : BASIC
2. SPECiFiCATiON
The SHARP PC-1251 system consists of:
* 52 - cha r acter keyboard.
* 24 - character display .
* Powerful BASIC in 24K ROM.
* 8 bi t CMOS processor.
* 4KB RAM .
* Optiona l CE-125 Printer/Microcassette Recorder.
1 . iNTRODUCTiON TO THE PC-1251