CALCOLO DIRETTO DEI LOGARITMI DECIMALI 



Poiché 3'*^ = X* 5'9049 elevando a quadrato: 



121 



Quindi 



X9 



X23 

 X47 

 X95 



X3 



xl 

 X7 

 X5 

 X2 



X190 x7 

 X238 x3 

 X*" Xl 



X954 xl 

 X1908 X3 

 X2385 x4 



X*"i xl 



X9542 x2 

 X19084 X 6 

 X23856 X 1 

 X47712 X 1 



•4867 < 320 

 •2157 < S'IO 



•1785 < 350 

 •1530 < 3100 

 6553 < 3200 



■0500 < 3*00 

 •6328 < 3500 

 •3197 < 31000 

 •7416 < 32000 

 0331 < 3*000 

 •0027 < 35000 

 •6021 < 310000 

 •5667 < 320000 

 •5879 < 3*0000 

 ■0553 < 360000 

 1136 < 3100000 



<X9 

 <Xi9 



<X23 



<X*^ 



<X95 



<Xi90 



<X238 



<X*T^ 

 <C X^5* 



^ X190.S 

 <^ X2385 



< X*"i 



<;;^ X^3^56 



X 3-4868 

 X 1-2158 

 X 71792 

 X 51541 

 X 2-6565 

 X 7-0570 

 X 3-6373 

 X 1-3229 

 X 1-7501 

 X 3-0629 

 X 4-0520 

 X 1-6419 

 X 2-6959 

 X 7-2679 

 X 1-1934 

 X 1-4243 



Log 3 = 0-47712 



L'Accademico Segretario 

 Okeste Mattirolo 



•-♦•«*• 



Atti della Beale Accademia — Voi. LVIII. 



