+Exhibit     Museum     Wanted     Advertising     Articles     EMail  

Specifications for Friden EC-130

Manufacturer: The Friden Calculating Machine Co.
Model Number: EC-130
Serial Number: 12692
Date of Introduction: May 20, 1964
Date of Manufacture: 1966
Manufactured In: USA, San Leandro, California
Original Price: $2,150 at Introduction, $1,395 by 1968
Weight: 44 Pounds
Size: 18" Wide, 21 1/2" Deep, 18" High
Power Requirement: 70 Watts, 120V AC, 60Hz
Display Technology: CRT Display (Type 5DEP1), 7-Segment Rendition
Four Levels of RPN Stack Displayed
Logic Technology: All Transistor, Magnetostrictive Delay Line Register Storage
Bit-Serial Architecture
Digits of Capacity: 13
Decimal Modes: Fixed, Thumbwheel Selectable; 0, 2, 5, 7 or 13 digits behind decimal
Arithmetic Logic: Reverse Polish Notation (RPN), 4-Level Stack
Math Functions: Four Function
Constant: No
Memories: 1, Store/Recall Only
Notes: Among the earliest of transistorized electronic calculators
First calculator to use stack architecture
Two different production versions
First Version: Four Counters, Serial #8499 and earlier
Second Version: Three Counters, Serial #8500 and later

Previous Machine: Sumlock ANITA C/VIII
Next Machine: Friden EC-132

Related Machines: Friden EC-132
Friden STW-10
Singer/Friden 1162
Singer/Friden 1152
Singer/Friden EC-1112
Singer/Friden EC-1113
Singer/Friden EC-1114
Singer/Friden EC-1115
Singer/Friden EC-1116
Singer/Friden EC-1117
Singer/Friden EC-1117A
Singer/Friden EC-1118
Singer/Friden 1203

Reading: The Friden 130: The World's Second Electronic Calculator [Nicholas Bodley]
My Life & Times at Friden [Dick Ahrens]

Links: Friden 130 on a FPGA [Brian Cauchi]

Back to Exhibit
Back to Calculator List

Copyright ©1997-2011, Rick Bensene.