Search notes:
Reverse Polish Notation
Invented by Jan Lukasiewicz (1878-1956).
No brackets (
(
and
)
) needed to formulate mathematical expressions because operators are placed after rather than between the operands.
RPN was used in the traditional HP scientific calculators and is still used in
PostScript
.
Examples
Traditional:
a*(b+c)
RPN:
a b c + *
Traditional:
(a-b) * (c+d) / e
RPN
a b - c d + * e /
Traditional:
2 * sin (a - b)
RPN:
2 a b - sin *
See also
gmtmath
,
grdmath
Index