Wang 700A User manual

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©WANG LABORATORIES, INC., 1970
Tewksbury, Mass. 01876
Telephone [phone]all
TWX 110 343-6769
REFEREN~E M:ANUAL
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FOREWORD
This reference manual is designed to provide the user with
abasic understanding and practical guidance
in the use of
Wang's 700A/B Electronic Calculators.
The aim has been to assist the user by presenting the most
useful technique, concept and
method for utilizing the 700 to
its best advantage.
For further information, contact your local sales office or
Wang Laboratories, Inc., 836
North Street, Tewksbury,
Massachusetts 01876.

SECTION I - INTRODUCTION
SECTION II - EXPLANATION OF KEYS
SECTION III - PROGRAMMING
SECTION IV - PROGRAM CONCEPTS
SECTION V- DECISION COMMANDS
SECTION VI - PROGRAMMING TECHNIUUES USING A TAPE CASSETTE
SECTION VII - ADDITIONAL COMMANDS NOT FOUND ON THE 700 KEYBOARD
SECTION VIII - TRIGONOMETRIC PACKAGE PROGRAM, STATISTICAL PACKAGE PROGRAM
SECTION IX - SAMPLE PROGRAMS
SECTION X- WARRANTY, SERVICE AND MAINTENANCE

Table of Contents
TABLE OF CONTENTS
SECTION I - INTRODUCTION
Introduction . . . . . . •• • • • • •••• • •••• • • • •• 1-1
••••
SECTION II - EXPLANATION OF KEYS
Modes of Operation. . . . . . . . . . . . . . . . . . . . . . . .
Run Mode . . . . . . . . . . . . . . . . . . . . . . . . . .. .
Learn Mode'. ......................... .'
Learn-Print Mode. . . . . . . . . . . . . . . . . . . . . . . . .
List-Program Mode ........................
Turning the 700 ON. ......................
Non-Programmable Key ......................
Prim e . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Program Counter and Set PC . . . . . . . . . . . . . . . . . . . .
Ste
p. . . . . . . . . . . . . . . . . . . . . . .. . . . . . . .
Verify Program .........................
Record Program . . . . . . . . . . . . . . . . . . . . . . . . .
The Display. . . . . . . . . . . . . . . . . . . . . . . . . . .
X- Register . . . . . . . . . . . . . . . . . . . . . . . . . . .
En tering aNum ber . . . . . . . . . . . . . . . . . . . . . . . .
Set Exp . . . . . . . . . . . . . . . . . . . . . . . . . . .. .
Y-Register . . . ...................... .. .
Program-Error Indicator . . . . . . . . . . . . . . . . . . . . . .
Data Storage Registers. . . . . . . . . . . . . . . . . . . . . . .
Direct Addressing . . . . . . . . . . . . . . . . . . . . . . . .
Toggle
Switches and Special Function Keys . . . . . . . . . . . . . .
S
tore Direct. . . . . . . . . . . . . . . . . . . . . . . . . . .
Recall Direct . . . . . . . . . . . . . . . . . . . . . . . . . .
Exchange Direct . . . . . . . . . . . . . . . . . . . . . . . . .
Add, Subtract, Multiply, and Divide Direct. . . . . . . . . . . . . . .
Indirect Addressing. . . . . . . . . . . . . . . .. . . . . . . . .
Indirect Keys . . . . . . . . . . . . . . . . . . . . . . . . . .
Advantages of Indirect Addressing . . . . . . . . . . . . . . . . . .
Recall Residue. .........................
Addition, Subtraction, Multiplication. . . . . . . . . . . . . . . . .
Division ..........................
.. .
Write
Commands. . . . . . . . . . . . . . . . . . . . . . . . .
Group I - Group 2. .......................
SECTION III - PROGRAMMING
Coding. ............................
Generating a Code Using Special Function Keys and Toggle Switches
Core Memory . . . . . . . . . . . . . . . . . . . . . . . . . .
Number of Registers Occupied By a Program . . . . . . . . . . . . . .
SECTION IV - PROGRAM CONCEPTS
Programming Concepts . . . . . . . . . . . . . . . . . . . . . .
Mark and Search Commands . . . . . . . . . . . . . . . . . . . .
Su brou tine . . . . . . . . . . . . . . . . . . . . . . . . . . .
Double-Level Subroutines (or a Subroutine within a Subroutine) . . . . . .
v
2-1
2-1
2-1
2-1
2-2
2-2
2-2
2-2
2-3
2-3
2-4
2-4
2-4
2-5
2-5
2-5
2-6
2-8
2-9
2-9
2-9
2-12
2-12
2-13
2-13
2-14
2-14
2-16
2-16
2-17
2-18
2-20
2-21
3-1
3-2
3-3
3-5
4-1
4-2
4-5
4-7

Table of Contents
TABLE OF CONTENTS (Continued)
SECTION V - DECISION COMMANDS
DECISIONS. .......................... 5-1
S kip if Y=X . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Skip
if Y>X . . . . . . . . . . . . . . . . . . . . . . . . 5- 2
SkipifY<X 5-3
Skip
if Error . . . . . . . . . . . . . . . . . . . . . . . . 5-3
PROGRAMMING
TECHNIQUES .................. 5-4
Looping Using a Counter. . . . . . . . . . . . . . . . . . . . 5-4
Looping Without a Counter. .................. 5-6
Scanning a
Table. . . . . . . . . . . . . . . . . . . . . . . 5-8
Go .. .. . .. .. .. .. . .. .. .. . . . . . . . .. .. . .. . . .. . . . 5-9
SECTION VI - PROGRAMMING TECHNIQUES USING ATAPE CASSETTE
Tape Cassette . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Tape Drive Operation ....................... 6-2
Machine-Error
Indicator . . . . . . . . . . . . . . . . . . . . . . 6-2
Protection of Program on Tape . . . . . . . . . . . . . . . . . . . 6-3
What
is aProgram Block? . . . . . . . . . . . . . . . . . . . . . 6-3
End Program . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
How to Learn aProgram Into Core From the Keyboard. ......... 6-5
How to Transfer aProgram From Core to Tape . . . . . . . . . . ., 6-6
How to Load aProgram From Tape into Core. ............. 6-7
Bypassing
Program Blocks . . . ... ................ 6-8
Procedure for Correcting Single Program Step. . . . . . . . . . . . . . 6-8
Procedure for Inserting Ex tra Program Steps . . . . . . . . . . . . . . 6-9
Programming Techniques Using Tape Cassette. . . . . . . . . . . . . . 6-9
Creating aMulti-Block
Tape . . . . . . . . . . . . . . . . . . . . 6-11
SECTION VII -ADDITIONAL COMMANDS NOT FOUND ON
THE 700 KEYBOARD
Pause Command . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Write Alpha Pause . . . . . . . . . . . . . . . . . . .. . . . . 7-1
Storage Commands (Direct Access to and from the V-Register) ....... 7-2
Decisions. . . . . . . .'. . . . . . . . . . . . . . . . . . . . 7-2
X-Register . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
V-Register . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
Shifting
Commands. . . . . . . . . . . . . . . . . . . . . . . . 7-4
SECTION VIII -TRIGONOMETRIC PACKAGE PROGRAM
STATISTICAL PACKAGE PROGRAM
Trig Pack. . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
Speed and Accuracy ....................... 8-2
To Load the Trig Package . . . . . . . . . . . . . . . . . . . . . 8-2
Using
the Trig Package ...................... 8-3
Program Use . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4
Design of the Trig Pack . . . . . . . . . . . . . . . . . . . . . . 8-4
Statistical Package . . . . . . . . . . . . . . . . . . . . . . . .
8- 5
Assignment
of Special Operations Key for aUser's Own Subroutines. . . . . 8-6
•
VI

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Table of Contents
TABLE OF CONTENTS (Continued)
SECTION
IX -SAMPLE PROGRAMS
Algebra
of Complex Numbers (Program) .••• • • • • ••••••••
9-1
SECTION X - WARRANTY, SERVICE AND MAINTENANCE
Warranty.
• • ••••••• • • • • • ••••••••• • •••
10-1
Post-Warranty Service Availability •••• • ••••••••• • •••
10-1
Annual Maintenance Contract.
• • • ••••• • •• • • • • • • • •
.10-1
Post-Warranty Service Call Without Maintenance Contract
• • • • • ••••
10-1
In-House Maintenance Capability • • •• • ••• • ••••••• • •10-2
APPENDIX
Typing Conventions • • • • ••••••• • ••••••• • •••A-I
Index
••••••••••••••••••••••••• • • • •A-4
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RUN
LEARN LEARN
LIST
PRINT PROGRAM
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I RELEASE II FORWARD II TAPE Rl!ADY II REWIND I
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PROGRAM MACHINE
ERROR ERROR
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0000
BC 40 20 10
00
01
02 03 04 05 06 07 06 09 10
11
12 13
14 15
0
DEGREE
RADIANS
SINX
COSX
TANX
SIN-1 COS-I
TAN-
1
TO POLAR TO RECT SINHX
COSHX
TANHX
SINH-1
COSti~ TANW'
0
TO RADIANS TO DEGREES XX X X X
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....
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...
SKIP
WRITE
END
RECALL
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.....
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RECALL
CHANGE
{X
CLEAR LOAD
ALPHA
ALPHA
INDIR DIRECT
SIGN
X'
X PROG
IF MARK
PRIME
INDIR DIRECT
ERROR
...
•SKIP
STORE ••STORE
END VERIFY
•7B9
RETURN
WRITE
l/X
INDIR INDIR
DIRECT DIRECT
-
PROG
IF
•
PROG
Y~X
INTEGER
RECALL XXl
SKIP
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RESIDUE
INDIR
DIRECT X4 5 6
STOP
IF
GROUP
SET
X
Y=X
1
PC
-+
--
SKIP
lOx LOG,.X
1T
INDIR
DIRECT -123
IF
GROUP RECORD
Y<X
2 PROG
GO
eX
0++0
SET
SEARCH STEP
LOG.X
INDIR DIRECT +•
EXP
700A/B KEYBOARD ILLUSTRATION