• Manual Scilab
• Cálculos Formais
• addf
• ldivf
• mulf
• rdivf
• subf

Please note that the recommended version of Scilab is 6.1.1. This page might be outdated.
However, this page did not exist in the previous stable version.

mulf('d','c')

mulf('1','a')
mulf('0','a')
'a'+'b'   //Cuidado...