Multum in Parvo Library, Vol. I, No. 2, February, 1894

Multum in Parvo Library, Vol. I, No. 2, February, 1894

How to Become a Lightning CalculatorAccuracy should be first considered, then rapidity. Quick adders, by the way,...
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Multum in Parvo Library, Vol. I, No. 2, February, 1894

Multum in Parvo Library, Vol. I, No. 2, February, 1894

$19.99 $9.99

Multum in Parvo Library, Vol. I, No. 2, February, 1894

$19.99 $9.99
Author: Anonymous
Format: eBook
Language: English

How to Become a Lightning Calculator

Accuracy should be first considered, then rapidity. Quick adders, by the way, are the most accurate. Write the numbers in vertical lines, avoiding irregularity. This is important. Keep your thought on results not numbers themselves. Do not reckon 7 and 4 are 11 and 8 are 19, but say 7, 11, 19 and so on. In adding long columns, prove the work, by adding each column separately in the opposite direction, before adding the next column. Many accountants put down both figures as in the illustration. The sum of the first column is 12; carrying one, the sum of the second is 20; carrying two, the sum of the third column is 15; carrying one, the sum of the fourth column is 21, and the total, 21502, is found by calling off the last two figures and the right-hand figures, following the wave line in the illustration. This method is better than the old one of penciling down the number to carry. If one desires to go back and add a certain column a second time, the number to carry is at hand and the former total is known. ......Buy Now (To Read More)

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Ebook Number: 65078
Author: Anonymous
Release Date: Apr 13, 2021
Format: eBook
Language: English

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