HP 30b HP 20b Business Consultant and HP 30b Business Professional User's Guid - Page 34
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% In RPN mode, the key calculates x % of the number on Level 2 of the stack, when x is the number on Level 1 of the stack. It does not modify the number on Level 2 of the stack, and % thus allows you to perform addition or subtraction after pressing to add or subtract x % from the number. 200I25% For example, returns 50, but 200 is still on Level - 2 of the stack, and pressing returns 150, or 200-25%. 26 Mathematical Calculations
Mathematical Calculations
26
In RPN mode, the
%
key calculates
x
% of the number on Level 2 of the stack, when
x
is
the number on Level 1 of the stack. It does not modify the number on Level 2 of the stack, and
thus allows you to perform addition or subtraction after pressing
%
to add or subtract
x
%
from the number.
For example,
200I25%
returns
50
, but
200
is still on Level
2 of the stack, and pressing
-
returns
150
, or 200-25%.