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  P1000038.JPG - The divsion rulers are practical only for the divsion by a single digit number. Here is shown 512 : 8 = 66 with a rest of 4 (go from left to right). Division by multi-digit numbers can be done with the multiplication rulers, similar to the Napier bones method.  
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The divsion rulers are practical only for the divsion by a single digit number. Here is shown 512 : 8 = 66 with a rest of 4 (go from left to right). Division by multi-digit numbers can be done with the multiplication rulers, similar to the Napier bones method. Download
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