A case against the x<>y key

[Mark Hardman]

(05-10-2015 10:43 AM)hansklav Wrote:  

(05-10-2015 02:20 AM)Mark Hardman Wrote:  Your point is valid. But, why do you feel that a negative b term (-b) is even necessary?

Simply let the stack do its job:

Code:

1 [Enter]
3 [Enter]
4
Y^X
2
x
5
/
-
etc.

"Inside out, left to right"

Well, as Paul Dale pointed out, on a four level stack RPN calculator then you will run into trouble (stack overflow, leading to a wrong answer, without warning), unless, of course, you make use of STO and RCL.

Hans

No you don't.

You say you've written a tutorial on RPN?