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A Method of Multiplication which may be practised Mentally

Published online by Cambridge University Press:  18 August 2016

Wm. Henry Oakes
Wm. Henry Oakes*
Affiliation:
Bengal Presidency
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Extract

1. Write down the multiplicand in the usual manner.

2. Write on a separate slip the multiplier with its figures reversed (as in contracted multiplication), being careful to space the figures so that they can be exactly placed over those of the multiplicand.

Type
Research Article
Information
Journal of the Institute of Actuaries , Volume 10 , Issue 6 , January 1863 , pp. 326 - 327
Copyright
Copyright © Institute and Faculty of Actuaries 1863

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