HP-65 Financial Software request

[PedroLeiva]

(01-07-2019 06:34 PM)Dieter Wrote:  But on the HP67 I would prefer a different approach using the data entry flag 3.

Dieter

It works perfect for HP67. Thank´s. Pedro
To exemplify: I want to get 100, but my partner wants 15%, how much do I have to ask?
Cost= 100
Margin= 15
Price=?
[E] => 0.00
100 [A] => 0.00
15 [C] => 0.00
[B] => 117.65
Because: 117.65 * (1 - 15/100)= 100