Babbage problem: Difference between revisions

m
Line 1,141:
;;; Jan Łukasiewicz notation (1924) is a mathematical notation in
;;; which operators precede their operands.
n mod 1000000 = 269696 ⇒ n = k * 1000000 + 269696 where n
;; and k are natural numbers.
 
(∇ ANSWER
Line 1,167 ⟶ 1,169:
`(go ,label))
(defmacro → (test statement&body body)
`(when ,test ,statement@body))
 
 
(defmacro ← (place value)
`(if (boundp ',place)
Line 1,182 ⟶ 1,185:
[https://journals.openedition.org/bibnum/pdf/542 Le premier article scientifique de l'histoire de l'informatique ?] ''François Rechenmann. OpenEdition Journals''.
 
 
[https://www.apmep.fr/IMG/pdf/AAA16047.pdf Une histoire de notations.] ''Pierre Legrand. APMEP''.
 
''cyril nocton (cyril.nocton@gmail.com) w/ google translate.''
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