| Type, Precision, Input mode |
Scientific, 10 BCD digits, exponent ±99,
Algebraic |
| Programmable |
Yes, BASIC. Up to 10 programs can be stored.
|
| Performance Index |
-
|
| Memory |
1.9k RAM built in (544 steps, one step per
byte), optional OR-1 Memory Pack (total 1568 steps), 10k ROM. Permanent
memory. |
| Display |
12 digit 5x7 pixel black&white LCD plus
annunciators.
Separate contrast adjustment knob on the right side of the unit. |
| Special features |
ANS key to retrieve the result of the last
calculation
|
| Original Pricing, Production |
1983, approx. $70
|
| Batteries |
2x large button size cell
|
| Dimensions |
Length 7.1, cm, Width 16.5cm, Height 1.2cm |
| Links |
TRS-80 Hardware
Manual Download Page.
TRS-80 Revived Pages
(Ira Goldklang)
TRS-80 PC-4 Owner's Manual (English
PDF)
|
| Comment |
This unit was also sold by Tandy/Radio Shack as
the TRS-80 PC-4.
Here's a complete list of the TRS-80 devices and what they really were:
PC-1
|
Sharp PC-1211
|
PC-2
|
Sharp PC-1500A
|
PC-3
|
Sharp PC-1251
|
PC-4
|
Casio PB-100
|
PC-5
|
Casio fx-780P
|
PC-6
|
Casio fx-795P
|
PC-7
|
Casio fx-5200P
|
PC-8
|
Sharp PC-1246
|
|
