Thu Jan 30 21:34:44 MST 1997 euler% math Mathematica 3.0 for Solaris Copyright 1988-96 Wolfram Research, Inc. -- Terminal graphics initialized -- In[1]:= In[2]:= In[3]:= (* ----------[ M a t h e m a t i c a ]---------- *) 0. Second In[4]:= (* ---------- Initialization ---------- *) 0. Second In[5]:= (* ---------- Mathematics vs Computer Science ---------- *) 0. Second In[6]:= (* Is k really treated as a local variable in the following\ > situations where it is clearly a mathematically local variable? *) 0. Second In[7]:= Sum[k, {k, 1, 4}] 0. Second Out[7]= 10 In[8]:= Product[k, {k, 1, 3}] 0. Second Out[8]= 6 In[9]:= Limit[k, k -> 0] 0. Second Out[9]= 0 In[10]:= Integrate[k, {k, 0, 1}] 0.1 Second 1 Out[10]= - 2 In[11]:= k = 1; 0. Second In[12]:= Sum[k, {k, 1, 4}] 0. Second Out[12]= 10 In[13]:= Product[k, {k, 1, 3}] 0. Second Out[13]= 6 In[14]:= Limit[k, k -> 0] General::ivar: 1 is not a valid variable. Limit::lim: Limit specification 1 -> 0 is not of the form x -> x0. 0.02 Second Out[14]= Limit[1, 1 -> 0] In[15]:= Integrate[k, {k, 0, 1}] Integrate::ilim: Invalid integration variable or limit(s) in {1, 0, 1} . 0.01 Second Out[15]= Integrate[1, {1, 0, 1}] In[16]:= (* ---------- Quit ---------- *) 0. Second In[17]:= Quit[] real 1.72 user 0.80 sys 0.31