>If?the?symbol?"lambda"?is?too?long,?define?say?"f"?to?be >a?macro?for?lambda.... Or, (maybe the binding powers need to be adjusted) (%i28) infix("->",30,30)$ (%i29) "->"(x,f) := buildq([x,f], lambda([x], f))$ (%i30) f : x -> x^2$ (%i31) f(6); (%o31) 36 Barton