div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentinternational-slide-rule-museum-a-abaci-a-howtouse-operations-of-bead-arithmetichtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: International Slide Rule Museum › Abaci › HowToUse · operations of bead arithmetic by the Chinese abacus Bead Arithmetic is a certain method of computation in which num- loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsusreader033viewer20220604155f1331ee2bb00e1d2c308d5bhtml5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentinternational-slide-rule-museum-a-abaci-a-howtouse-operations-of-bead-arithmetichtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: International Slide Rule Museum › Abaci › HowToUse · operations of bead arithmetic by the Chinese abacus Bead Arithmetic is a certain method of computation in which num- loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsusreader033viewer20220604155f1331ee2bb00e1d2c308d5bhtml5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentinternational-slide-rule-museum-a-abaci-a-howtouse-operations-of-bead-arithmetichtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: International Slide Rule Museum › Abaci › HowToUse · operations of bead arithmetic by the Chinese abacus Bead Arithmetic is a certain method of computation in which num- loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...