Specifications for Wang Laboratories LOCI-2

Marketed by: Wang Laboratories, Inc.
Model Number: System #1: 2A
System #2: 2AD (Has Option Column Printer Output Interface)
Serial Number: Two Units in Museum
System #1: 3070
System #1 Card Reader (First-Design): 23241
System #2: 3086
System #2 Card Reader (Second-Design): 24209
Date of Manufacture: System #1: August, 1967
System #2: September, 1967
Manufactured In: USA, Tweksbury, Massachusetts
Original Price: $2750 Base to $8450 Fully-Optioned
Weight: 45 pounds
Size: 17" Wide, 17" Deep, 11 1/2" High
Power Requirement: 80 Watts, 115 VAC, 60Hz
Display Technology: "Top View" Nixie Tubes made by National Electronics
Ten "0-9" Nixie Tubes
One "Sign" (+/-) Nixie Tube
Discrete Neon Sign Decimal Point Indicators
Discrete Neon Programmer and Status Indicators
Logic Technology: Discrete Transistor, 1,275 Transistors (Base System)
Nine Plug-In Circuit Boards, 8 16 1/2"x9", 1 16 1/2"x5" (Base System)
Optional 10th Interface Board (Options C,D)
16x12x4 Ferrite Core Memory for Memory Registers
Digits of Capacity: 10 digits plus sign. No zero suppression.
Decimal Modes: Fully automatic, w/user override on systems without I/O expansion
Arithmetic Logic: Arithmetic for Add/Subtract
Use of logarithms for Multiplication/Division
Math Functions: Add, Subtract, Multiply, Divide
Square Root, 1/Square Root, x², 1/x²
Base e Antilogarithm
Constant: No
Memories: Base System: 2 Store/Recall Memory Registers
Option A: 16 Store/Recall Memory Registers organized as four banks of four registers each
Memory registers are non-volatile due to implementation with magnetic core memory
Programmable: Yes, via optional LOCI Punched Card Reader or Manual Entry of Instructions (one at a time) from console
80 Program Steps Per Card
Option B: Second Punched Card Reader for programs up to 160 Steps
Peripherals/Options: Option A: 16 Memory Registers
Option B: Second Punched Card Reader
Option C: Teletype Model ASR-33 I/O Interace
Option D: Column Printer Output Interface
Option H: ASR-33 Teletype for use with Option C
Performance: Addition/Subtraction: 0.5ms average
Multiplication/Division/Logarithm/Square Root: 40ms average
Notes: Wang Laboratories' first production programmable calculator
Introduced in January, 1965

Previous Machine: Facit 1121
Next Machine: SCM Cogito 240SR

Related Machines: Wang LOCI Column Printer
Wang 360E
Wang 360SE
Wang 362E
Wang 720C
Wang 600
Wang C-52

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Reading: Lessons, an Autobiography
Author: Dr. An Wang with Eugene Linden
Publisher: Addison-Wesley
First Printing: August, 1986
ISBN: 0-201-09400-2

         Riding the Runaway Horse: The Rise and Decline of Wang Laboratories
Author: Charles C. Kenney
Publisher: Little, Brown and Company
First Printing: 1992
ISBN: 0-316-48919-0

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