Instructions for Kingson Pocket Calculator

These two small pieces of paper were received with 1994.0208.01. The first page is two-sided and explains how to set and clear numbers on the adder with the metal stylus. Examples of adding and subtracting are also provided. The second page is one-sided and explains how to multiply and divide with the slide rule. The C1 (typically called a CI scale as the inverse of a C scale), A, and B scales are also defined.
Currently not on view
Object Name
sheets, set of 2
date made
ca 1972
Physical Description
paper (overall material)
overall: 16 cm x 10.7 cm x .1 cm; 6 5/16 in x 4 7/32 in x 1/32 in
place made
Zhonghua: Hong Kong, Hong Kong
ID Number
accession number
catalog number
Rule, Calculating
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Slide Rules
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Albert D. Rosenheck
Additional Media

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