https://gate.unigre.it/mediawiki-test/index.php?action=history&feed=atom&title=Page%3AOrganum_mathematicum_libris_IX._explicatum_%281668%29.djvu%2F145 2026-05-03T23:33:02Z Revision history for this page on the wiki MediaWiki 1.35.7 https://gate.unigre.it/mediawiki-test/index.php?title=Page:Organum_mathematicum_libris_IX._explicatum_(1668).djvu/145&diff=108751&oldid=prev 2021-03-25T10:27:30Z

<p><span dir="auto"><span class="autocomment">Proofread</span></span></p> <p><b>New page</b></p><div>&lt;noinclude&gt;&lt;pagequality level=&quot;3&quot; user=&quot;Irene Pedretti&quot; /&gt;&lt;/noinclude&gt;&lt;center&gt;§. I.&lt;/center&gt;<br /> &lt;center&gt;''Primus casus, Quando uterque numerus constat unica figura.''&lt;/center&gt;<br /> In hoc casu Summa reperitur vel naturali judicio, vel ex Tabula Pythagorica, vel per regulam Pigri.&lt;br&gt;<br /> &lt;center&gt;''Tabula Pythagorica.''&lt;/center&gt;<br /> {{SidenoteRight|Tabula Pythagorica.}} Fiat Tabula divisa in quadratula, et numeri inscribantur, ut vides. Vocatur Pythagorica ab auctore Pythagora, ut putatur. Extendi potest in infinitum tam deorsum, quam versus dexteram; et tunc servire posset non solum pro primo, sed etiam pro secundo et tertio casu.&lt;br&gt;<br /> &lt;br&gt;<br /> Usus hujus Tabulae hic est. Quaere in laterali columna sinistra Multiplicandum, in verticali Multiplicatorem,(vel e contratio;) et ab illo perge recta dextrorsum, ab hoc deorsum: in communi quadratulo concursus invenies Summam quaesitam.&lt;br&gt;<br /> EXEMPLUM. Sint multiplicanda 8 per 4: quaeere 8 in latere sinistro, 4 in vertice: ab 8 perge dextrorsum, a 4 deorsum, in quadratulo concursus invenies 32.&lt;br&gt;<br /> Eandem Summam invenies, si ab 8 versus dexteram progrediaris usque ad quartum quadratulum, aut a 4 deorsum numeres octo quadratula.&lt;br&gt;&lt;noinclude&gt;&lt;references/&gt; {{TurnPage}}&lt;/noinclude&gt;</div>

Irene Pedretti