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20 lines
231 B
Mathematica
20 lines
231 B
Mathematica
; This function computes a factorial
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factorial(n) ;;
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new f
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set f=n
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for do quit:n'>1
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. set n=n-1
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. set f=f*n
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. write n," : ",f,!
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quit f
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main() ;;
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set x=5
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set y=$$factorial(x)
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write "Factorial of ",x," = ",y,!
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quit
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