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[[Image:Archimedean spiral.svg|thumb|Spiralis Archimedea.]]
'''Spiralis Archimedea'''<ref>[http://books.google.com/books?id=B5VWkvdvJSQC&pg=PA10&lpg=PA10&dq=curva+spiralis+logarithmica&source=web&ots=W5gJR_xCgY&sig=vLDSobBB3rv3mUkJgsFrp-bVDlU#PPA10,M1 Carolus Iulius Küchenmeister 1833]</ref> est curva [[spiralis]] quam [[Archimedes]] invenit et quae eius nomine vocatur.
 
[[Aequatio]]ne in [[systema coordinatarum|systemate coordinatarum]]
::r = a + bθ
exprimatur.
 
==Nota==