Radio Shack TRS-80 PC-3 Owner's Manual page 231

APPENDIX F SPECI FICATIONS
Model:
Processor:
Programming Language:
Memory Capacity:
PC-3 Pocket Computer
8-bit CMOS CPU
BASIC
System ROM:
RAM
System
User
Fixed Memory Area
(A ~ Z, A$ ~ Z$)
24 K Bytes
About 500 Bytes
208 Bytes
48 Bytes
1438 Bytes
Stack:
Operators:
Numeric Precision:
Editing Features:
Memory Protection:
Reserve Area
Program/Data Area
Subroutine: 10 stacks
FOR-NEXT: 5 stacks
Function: 16 stacks
Data: 8 stacks
Addition, subtraction, mUltiplication, division, exponentiation, trigonometric and inverse trigono-
metric functions, logarithmic and exponential functions, angle conversion, 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
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