the manual seems to encourage use of rncombine(...) but ver 5.14 does not
know about this function.
(%i1) display2d:false$
(%i2) pfeformat;
(%o2) false
(%i3) e1 : x/a + y/a + z/(2*a);
(%o3) z/(2*a)+y/a+x/a
(%i4) combine(e1);
(%o4) z/(2*a)+(y+x)/a
(%i5) rncombine(e1);
(%o5) rncombine(z/(2*a)+y/a+x/a)
(%i6) pfeformat:true$
(%i7) combine(e1);
(%o7) (1/2*z+y+x)/a
Ted Woollett
win xp