[Jprogramming] Taylor series

[rlvaughan at comcast.net]

I cannot get the dyadic verb u t. to work as described in the Vocabulary: 
x u t.y is the product of (x^y) and u t. y 


For example: 


^t. 4 
0.0416667 
(2^4) * ^t. 4 
0.666667 
2 ^t. 4 
0.166667 


Clearly I must be misunderstanding something! 


Richard Vaughan