De integristiplicatione excreſcit nūerus vna aut duabus figuris ſcribēdus ſemꝑ prima haꝝ ſcribe ⁊ ſcd̓am mente tene vſqꝫ ad multiplicationē ꝓxime figure multiplicādi quā ad eius ꝓductūadde p̄terqͣꝫ in fine multiplicandi. ibi em̄ ambe ſcribunt̉ ⁊ figurā multiplicantis cācellet̉ ⁊c̄. Deinde ſecundā multiplicātis duc etiā in oēs multiplicandi Ita tn̄ ꝙ ꝓductum ex ſecūda multiplicantꝭ in primā multiplicandi ponat̉ ſub ſcd̓a primi ordinis ſcripti. Ita tn̄ vt ſupͣ. ⁊ ſic ꝯn̄ter donec oēs figuremultiplicantꝭ ducte fuerint in oēs multiplicādi Demū illosordines ꝑ additionē in vnā ſummā reduc. ⁊ qd̓libet ſolitariūponat̉ ſe ſolo. Exempluꝫ volo multiplicare 79 5 per 24 6Pone ſic. nūc duc pͥmā multiplicantꝭ .ſ. 6 in primā ml̓tiplicādi .ſ. ⁊ facit zo ſcribe o ẜuādoꝫ in mēte DeI 9inde duc 6 in ꝯ facit 54 etꝫ ẜuata ſcīt 572 4 6ſcribe ſeptem ⁊ ſeruaꝫ in mente aut in ta-4 2 7 0bula Poſtea duc 6 in ⁊ facit qꝛ et 5 facit1 8 047 que totaliter ſcribe qꝛ in fine ml̓tiplicā9 o1 9 5 5 7 o di ⁊ cancelletur prima multiplicantis .ſ. 6Deinde ſecundā multiplicantis duc etiā in oēs multiplicādidicēdo prīo qͣterꝫ ſtꝭ 20 ſcribe o et 2ẜua in mēte ponendo oſub ſcd̓a prioris ordīs .ſ. ⁊. demū in ſcd̓am .ſ. ⁊ ⁊c̄ vt ſupͣ Poſtea duc etiā tertiā multiplicātis in oēs multiplicandi. ita tn̄ꝙ ꝓductū ex tertia multiplicantis in primā multiplicādi ponat̉ ſub tertia primi ordinis aut ſub ſecūda ſecundi ordinis.Deinde ꝯn̄ter vſqꝫ ad finem. Demū ꝑ additionē reduc illosordines in vnā ſummā vtꝫ in exemplo. ꝓba ſequit̉ in diuiſiōequia diuiſio probat multiplicationē quēadmodū ſubtractōadditionem ⁊ econuerſo. Item duplatio ⁊ mediatio nonſunt ſpecies arithmetice ab alijs diſtincte. ſed ſtꝭ ſpecies multiplicationis ⁊ diuiſionis. Duplatio eſt per ⁊ multitudo ſi-cut mediatio eſt per duo diuiſio ⁊c̄.Eunta ſpeciesIuiſio eſt numeri procreatio ꝓportionabiliter ſe advnitatē habentis. vt diuidendus ad diuiſoreꝫ vt 20ꝑ 4 diuidere eſt numerū quinariū procreare que ſic