%0 Journal Article %A Maria D. Chalkou %T The mathematical encyclopaedia of the 15th century, Arithmetical operations, fractions, progressions, linear equations and roots of real numbers, according to the Codex Vindobonensis phil. gr. 65 of the 15th century %J Review of the National Center for Digitization %D 2008 %P 119 %V 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/NCD_2008_12_a15/ %G en %F NCD_2008_12_a15