#include #include using namespace std; //myios_showbase1.cpp //setw = set field width int main( void ) { int j =10, h=10,k=10; double n1 = 1234.000, n2 =123.123; cout<<"\n setw(10) showpos ---- "; cout<<"\n n1 showpoint " << showpoint << n1 ; cout<<"\n n1 noshowpoint " <