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# Title: Leibniz-Handschriften zur Mathematik LH 35, 4, 18
# Folio 4r, page id 00068015:0007
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Droblema circa Usuras compositat
qudi
linsulit ece aE
jediave genere diflus
Datia ora pecuniae creditae summa.
proventu foenoris, et tempore
cuncus quod decurrit, invenire, quantum
fuerit quod per annum solutum
AD est summa credita
BE summa et quae  inde
prodit anni decursu Bestanne
de est summ
AC est tempus datum
CF est proventus
datus.
Quaeritur B E
id est inter AD et CF quaeratur
media proportionalis secundum
logarithinum seu exponentem AB.
sit AD seu pecunia credita c.
proventus ex pecunia et incremento
conflatus si seu quod debetur
post temporis AC decursum sit d
tempus AC sit 4, et annus a
AB seu annus sit A, fiet BE
usura onnuaa
raesimo seu u
proventus annus a
qu
Cd
vel ipsius cd
logarilhmo posito ed
et ipsius y logarithum existente ly
fiet.
ly aequ. alcd
e
lid spet