Cadillac Quadratic Solver behaving like an Edsel - Problem solved!!

[Dieter]

(02-17-2015 07:36 PM)PedroLeiva Wrote:  Can you please assit me about the order of the keys for that instruction

I see this is your first post here, so welcome to the forum. ;-)

In the listing, "Sum" refers to the greek Sigma, so "Sum–" means Σ– (yellow-shifted function of the Σ+ key in the bottom key row). Equally, "Sum xy" means Σxy which is accessed via the SUMS menu (blue-shifted Minus-key).

Dieter