MathGroup Archive 1994

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Help to a novice...

I received the following message from mathematica:

s (0.5 + 0.5 Erf[5. (0.02 + Log[0.01 s])]) - 
 100. (0.5 - 0.5 Erf[0.2 - 5. (0.02 + Log[0.01 s])])
   Tag Times in (5. (0.02 + <<1>>))[s_] is Protected.

The last two lines were in red , the ones before are o.k..
What does it mean "Set ::write....."?

Thanks a lot for your help in andvance.
Yours Claus

Swiss Institute of Banking and Finance

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