I remember Lotus 123. Use to use it every day until Excel became a better
product. Thanks for your help.

"Harlan Grove" wrote in message
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"Dkline" wrote...
It works. But why does it work?

It works because it forces Excel to search through a much wider initial
range of interest rates. As for why they didn't use this as the default
initial value, I'd guess it was for compatibility with Lotus 123 back a
couple of decades ago.