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Spell out RPN abbreviation in Calc manual intro

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* doc/misc/calc.texi (What is Calc, Demonstration of Calc)
(RPN Tutorial): Spell out "Reverse Polish notation" abbreviation.
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Stefan Kangas 2023-02-18 10:57:27 +01:00
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doc/misc/calc.texi
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@ -232,7 +232,8 @@ series of calculators, its many features include:
@itemize @bullet @itemize @bullet
@item @item
Choice of algebraic or RPN (stack-based) entry of calculations. Choice of algebraic or Reverse Polish notation (RPN),
i.e. stack-based, entry of calculations.
@item @item
Arbitrary precision integers and floating-point numbers. Arbitrary precision integers and floating-point numbers.
@ -421,8 +422,8 @@ difference between lower-case and upper-case letters. Remember,
@key{RET}, @key{TAB}, @key{DEL}, and @key{SPC} are the Return, Tab, @key{RET}, @key{TAB}, @key{DEL}, and @key{SPC} are the Return, Tab,
Delete, and Space keys. Delete, and Space keys.
@strong{RPN calculation.} In RPN, you type the input number(s) first, @strong{RPN calculation.} In Reverse Polish notation (RPN), you type
then the command to operate on the numbers. the input number(s) first, then the command to operate on the numbers.
@noindent @noindent
Type @kbd{2 @key{RET} 3 + Q} to compute Type @kbd{2 @key{RET} 3 + Q} to compute
@ -1348,18 +1349,19 @@ to control various modes of the Calculator.
@subsection RPN Calculations and the Stack @subsection RPN Calculations and the Stack
@cindex RPN notation @cindex RPN notation
@cindex Reverse Polish notation
@noindent @noindent
@ifnottex @ifnottex
Calc normally uses RPN notation. You may be familiar with the RPN Calc normally uses Reverse Polish notation (RPN). You may be familiar
system from Hewlett-Packard calculators, FORTH, or PostScript. with the RPN system from Hewlett-Packard calculators, FORTH, or
(Reverse Polish Notation, RPN, is named after the Polish mathematician PostScript. (Reverse Polish Notation is named after the Polish
Jan Lukasiewicz.) mathematician Jan Lukasiewicz.)
@end ifnottex @end ifnottex
@tex @tex
Calc normally uses RPN notation. You may be familiar with the RPN Calc normally uses Reverse Polish notation (RPN). You may be familiar
system from Hewlett-Packard calculators, FORTH, or PostScript. with the RPN system from Hewlett-Packard calculators, FORTH, or
(Reverse Polish Notation, RPN, is named after the Polish mathematician PostScript. (Reverse Polish Notation is named after the Polish
Jan \L ukasiewicz.) mathematician Jan \L ukasiewicz.)
@end tex @end tex
The central component of an RPN calculator is the @dfn{stack}. A The central component of an RPN calculator is the @dfn{stack}. A