Columns are used to write text in a word document in more than one columns. Similarly, margins is the empty space that is left blank from all sides of the page. Orientation can be either landscape or portrait.
all these options are found in the Layout tab in MS word.
Matlab / GNU Octave. MATLAB (laboratorio de matrices) es un entorno informático numérico multiparadigma y un lenguaje de programación de cuarta generación.
