262 De canna Sicilie

Canna Sicilie, cuius longitudo est palmi 8, venditur pro tarenis 19, et queratur
tar. pal.
19 8
pensa est 5 per 7  
\({3 \over 4} 4\) 2
700 quantum valeant palmi 2. Describe questionem ut hic ostenditur, et multiplicabis 2 per 19; erunt 38, que divides per 8: exibunt tareni \({3 \over 4}\) 4. Vel aliter: quia palmi 2 sunt quarta pars unius canne, scilicet de palmis 8, accipe quartam701 de tarenis 19: exibunt tareni \({3 \over 4}\) 4, ut prediximus.

263 702 Rursus eadem canna venditur pro tarenis 23 et granis 7, hoc est pro
467  
gra. tar. pal.
\({7 \over 20}\) 23 8
pensa est 0 per 7 7
\({1~~2~~\phantom{1}4 \over 2~~8~~20}\) 10 \({1 \over 2}\) 3
703 tarenis \({7 \over 20}\) 23, et queratur quantum valeant palmi \({1 \over 2}\) 3. Describes questionem, et multiplicabis \({1 \over 2}\) 3 per \({7 \over 20}\) 23 et divides summam per 8: exibunt tareni \({1~~2~~\phantom{1}4 \over 2~~8~~20}\) 10, hoc est tareni 10 et grana \({1~~2 \over 2~~8}\) 4, ut in questione ostenditur704.

[V:45v]

264 De eodem

Item eadem canna venditur pro tarenis \({1 \over 4}\) 25, et queratur quantum valeant
  5
101 tar. 1 can.
\({1 \over 4}\) 25  
  309
\({1~~3~~16 \over 4~~8~~20}\) 243 \({1~~5 \over 4~~8}\) 9
705 canne 9 et palmi \({1 \over 4}\) 5, hoc est canne \({1~~5 \over 4~~8}\) 9. Describe questionem sic, et multiplica 25 per suam virgulam, erunt 101, et 9 per suam virgulam, erunt 309. Deinde multiplica 101 per 309; erunt 31209, que divide per 1 et per ruptos, hoc est per \({1~~0~~0 \over 4~~4~~8}\). 265 Sed quia locus in quo ponenda est summa divisionis est sub tarenis, videlicet sub706 \({1 \over 4}\) 25, debemus habere \({1 \over 20}\) in capite virgule propter grana; que \({1 \over 20}\) non possumus in prescripta divisione habere, scilicet in \({1~~0~~0 \over 4~~4~~8}\), ideo [F:47r] quia minuit nobis \({1 \over 5}\) ex ipsa \({1 \over 20}\). Unde describe in questione 5 super 1, ut melius habeatur memorie cum probaveris707, et [R:75v] multiplicabis 31209708 per 5 et divide per \({1~~0~~\phantom{1}0 \over 4~~8~~20}\): exibunt tareni \({1~~3~~16 \over 4~~8~~20}\) 243, hoc est709 tareni 243 [S:53v] et grana \({1~~3 \over 4~~8}\) 16, ut in questione ostenditur710.

  • 700
    tar. pal.
    19 8
    pensa est 5 per 7 (pensa est 5 (5:   ⑤ R) per 7:   per 7 est 5 A   om. F)  
    \({3 \over 4} 4\) (\({3 \over 4} 4\):   \({2 \over 4} 3\) A) 2 (2:   om. A)
    (pensa est 5 (5:   ⑤ R) per 7:   per 7 est 5 A   om. F) (5:   ⑤ R) (\({3 \over 4} 4\):   \({2 \over 4} 3\) A) (2:   om. A) :   om. G V
  • 701quartam:   quartum F S
  • 702:   De eodem praeposuit F
  • 703
    467  
    gra. tar. pal.
    \({7 \over 20}\) 23 8
    pensa est 0 per 7 (pensa est 0 per 7:   per 7 est 0 A   0 per 7 S   om. F) 7 (7:   om. R)
    \({1~~2~~\phantom{1}4 \over 2~~8~~20}\) 10 (\({1~~2~~\phantom{1}4 \over 2~~8~~20}\) 10:   \({1~~2~~\phantom{1}4~~\phantom{10} \over 2~~8~~20~~10}\) A   om. F) \({1 \over 2}\) 3
    (pensa est 0 per 7:   per 7 est 0 A   0 per 7 S   om. F) (7:   om. R) (\({1~~2~~\phantom{1}4 \over 2~~8~~20}\) 10:   \({1~~2~~\phantom{1}4~~\phantom{10} \over 2~~8~~20~~10}\) A   om. F) :   om. G V
  • 704ut in questione ostenditur:   om. F S
  • 705
      5 (5 Giusti   om. ω)
    101 tar. (101 tar.:   om. R) 1 can.
    \({1 \over 4}\) 25  
      309
    \({1~~3~~16 \over 4~~8~~20}\) 243 \({1~~5 \over 4~~8}\) 9 (\({1~~5 \over 4~~8}\) 9:   \({1~~7 \over 4~~8}\) 9 R)
    (5 Giusti   om. ω) (101 tar.:   om. R) (\({1~~5 \over 4~~8}\) 9:   \({1~~7 \over 4~~8}\) 9 R) :   om. G V
  • 706sub:   om. F
  • 707memorie cum probaveris:   in memoria R
  • 70831209 Giusti   31909 ω
  • 709est:   om. F S
  • 710ut in questione ostenditur:   om. F S

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