<div class="description">
<p>Book digitized by Google from the library of Harvard University and uploaded to the Internet Archive by user tpb.
</p>
<br>Subjects: sum; square; reduce; divide; interest; multiply; divisor; decimal; feet; denominate; square root; cube root; common multiple; greatest common; square feet; common divisor; equivalent fractions; three times; cubic inches; decimal point</div>
<div class="fn value">
George Roberts Perkins</div>
Internet Archive identifier