Sign In
Upload
Download
Table of Contents
Contents
Add to my manuals
Delete from my manuals
Share
URL of this page:
HTML Link:
Bookmark this page
Add
Manual will be automatically added to "My Manuals"
Print this page
×
Bookmark added
×
Added to my manuals
Manuals
Brands
Radio Shack Manuals
Calculator
TRS-80 PC-3
Owner's manual
Radio Shack TRS-80 PC-3 Owner's Manual
Hide thumbs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
page
of
289
Go
/
289
Contents
Table of Contents
Bookmarks
Table of Contents
Table of Contents
Introductory Note
Chapter 1 How to Use this Manual
Chapter 2 Introduction to the
ALL RESET Button
Installing the Batteries
Chapter 3 Using the Pc-3 as a Calculator
Start up
Shut down
Auto off
Some Helpful Hints
Simple Calculations
Recalling Entries
Errors
Serial Calculations
Negative Numbers
Compound Calculations and Parentheses
Using Variables in Calculations
Chained Calculations
Chapter 4 Concepts and Terms of Basic
Numeric Constants
Scientific Notation
Limits
Hexadecimal Numbers
String Constants
Variables
Simple Numeric Variables
Simple String Variables
Numeric Array Variables
String Array Variables
Preallocated Variables
Expressions
Numeric Operators
String Expressions
Relational Expressions
Logical Expressions
Parentheses and Operator Precedence
Calculator Mode
Functions
Chapter 5 Programming the
Programs
BASIC Statements
Line Numbers
BASIC Verbs
BASIC Commands
Modes
Beginning to Program on the
Example 1 - Entering and Running a Program
Example 2 - Editing a Program
Example 3 - Using Variables in Programming
Example 4 - more Complex Programming
Storing Programs in the PC-3'S Memory
Chapter 6 Shortcuts
The DEF Key and Labelled Programs
Reserve Mode
Templates
Chapter 7 Using the Pc-3 Printer/Cassette Interface
Introduction of the Machine
Power
Connecting the PC-3 Pocket Computer to the PC-3 Printer/Cassette Interface
Loading the Paper
Using the Printer
Using a Cassette Recorder
Care and Maintenance
Errors
Chapter 8 Basic Reference
Commands
Verbs
Functions
Pseudovariables
Numeric Functions
String Functions
Table of Contents
Newton's Method for Finding Roots of Equations
Average, Variance and Standard Deviation
Intersection between Circles and Straight Lines
Number of Days Calculation
Typing Practice
Softlanding Game
Memory Checker
Bughunt
Double Rotation
Advertisement
Quick Links
1
Installing the Batteries
2
Simple Calculations
Download this manual
Table of
Contents
Previous
Page
Next
Page
1
2
3
4
5
Advertisement
Chapters
Table of Contents
5
Table of Contents
237
Table of Contents
Need help?
Do you have a question about the TRS-80 PC-3 and is the answer not in the manual?
Ask a question
Questions and answers
Related Manuals for Radio Shack TRS-80 PC-3
Calculator Radio Shack TRS-80 26-3650 Service Manual
(34 pages)
Calculator Radio Shack EC-235 Owner's Manual
Ec-235 8-digit pocket calculator (2 pages)
Calculator Radio Shack EC-300 Operating Instructions Manual
(14 pages)
Calculator Radio Shack 65-500 Owner's Manual
Translucent calculator 3-pk (2 pages)
Calculator Radio Shack EC-2037 Owner's Manual
10-digit dual-powered metal case desktop calculator with tilt display (16 pages)
Calculator Radio Shack EC-3031 Owner's Manual
Handheld printing calculator (40 pages)
Calculator Radio Shack EC-4004 Owner's Manual
Scientific programmable calculator (40 pages)
Calculator Radio Shack 65-1002 Owner's Manual
12-digit printing calculator (36 pages)
Calculator Radio Shack Building trades calculator Owner's Manual
Building trades calculator (52 pages)
Calculator Radio Shack BlackJack 21 Owner's Manual
(7 pages)
Calculator Radio Shack EC-252 Owner's Manual
Metric conversion calculator (28 pages)
Calculator Radio Shack Astro Owner's Manual
Astrological computer/calculator (56 pages)
Calculator Radio Shack 65-789 Owner's Manual
12-digit 2-color printing calculator with lcd display (13 pages)
Calculator Radio Shack BLACKJACK 21 Owner's Manual
(7 pages)
Related Products for Radio Shack TRS-80 PC-3
Radio Shack TRS-80 26-3653
Radio Shack TRS-80 26-3650
Radio Shack TRS-80 26-3651
Radio Shack TRS-80 PC-4
Radio Shack TRS-80PC-4
Radio Shack TRS-80 PTC-64
Radio Shack TRS-80 PT-210
Radio Shack TRS-80 Model 4
Radio Shack TRS-80 VIDEOTEX
Radio Shack TRS-80 Model 16
Radio Shack TRS-80 Model 12
Radio Shack TRS-80 CR-510
Radio Shack TRS-80 26-3503
Radio Shack TRS-80 Model 16B
Radio Shack TRS-80 DT-1
Radio Shack TRS-80 MC-10
Table of Contents
Print
Rename the bookmark
Delete bookmark?
Delete from my manuals?
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL
Need help?
Do you have a question about the TRS-80 PC-3 and is the answer not in the manual?
Questions and answers