Hello all,
Am having trouble getting the summation (epsilon)function to work directly from the stack with keyed in parameters. Consider the summation: E(epsilon)x=1, to x=100, 1/x. When I build this expression in the equation writer environment, put it onto the stack, and evaluate it, it works fine.
If I decompose this expression (using the obj> function) such that the low limit (1) is in level 3, the upper limit (100) is in level 2, and the function (1/x) is in level 1, and then invoke E (right shift SIN key) the summation evaluates fine as well. Logic would suggest that this is the correct construct for using the epsilon key with the summation parameters in the stack. However, when I key these exact parameters into stack registers 3,2,and 1 and hit epsilon, I get a "bad argument type" error. The docs seem to shed no light on things, so I am asking for help from the forum members on this one.
Thanks, and best regards, Hal
50G summation function.


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