Algebraic expressions were written in reverse Polish notation; thus, a + b was written a b +, and similarly for the other arithmetic operations of subtraction, multiplication, and division.
42.
H-P's ubiquitous business calculator, with its time-tested Reverse Polish Notation logic, has been Shorenstein's best technological friend since he was a Wall Street real estate attorney in the early 1980s.
43.
Note : example 1 which is one of the few examples where reverse Polish notation does not use the fewest button presses & ndash; provided one does not rearrange operands.
44.
You've probably memorized them as inline patterns, but you could have memorized them as Polish notation patterns just as well .-- & trade; 19 : 25, 14 July 2010 ( UTC)
45.
The instruction set carries out most ALU actions with postfix ( Reverse Polish notation ) operations that work only on the expression stack, not on data registers or main memory cells.
46.
For example, compare the normal version ab + cd to its Polish notation equivalent, + * a b * c d .-- talk ) 16 : 45, 14 July 2010 ( UTC)
47.
While at Shell, in preparing for a conference in Michigan in 1958, Barton was reading Irving Copi's 1954 textbook on " Symbolic Logic " and saw a reference in it to Polish notation.
48.
Like all early HP calculators, the 25 used the Reverse Polish Notation ( RPN ) for entering calculations, working on a four-level SI prefixes, e . g . mega, kilo, milli, micro, nano.
49.
The HP series of graphing calculators is best known for its Reverse Polish notation ( RPN ) / Reverse Polish Lisp ( RPL ) interface, although the HP-49G introduced a standard expression entry interface as well.
50.
When Polish notation is used as a syntax for mathematical expressions by programming language see below ) and related programming languages define their entire syntax in terms of prefix notation ( and others use postfix notation ).
