Fix a misleading comment (copy&paste error)
Stop warning about RC and RAIZCUADRADA being translations for SQRT.
Fix typo in link text: CARAGADLL -> CARGADLL
Remove trailing whitespace.
Fix an untranslated title: END -> FIN
Fix some link text: IGUAL? -> IGUALES?
Fix an untranslated word: FALSE -> FALSO
Fix an untranslated command in an example: SHOW -> MUESTRA
