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=My Sandbox=
I need to get used to this flavour of markup first. That'll take some time. Meanwhile I collect my examples here. If you think, some example is worth being moved to the "right" place, feel free to do so and leave me a note...
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=Arithmetic/Complex=
==Dc==
WIP!
=Primes=
==Python==
{{works with|Python|2.x}}
This is a sequentialised variant of the well known sieve method (ab)using a dictionary as sparse array.
<lang python>L = {}
n = 2
while 1:
if n in L:
P = L[n]
del L[n] # optional - just saves some memory.
else:
print n
P = [n]
for p in P:
npp = n+p
if npp in L:
L[npp].add(p)
else:
L[npp] = set([p])
n += 1</lang>
{{out}}
<pre>
2
3
5
7
11
13
17
19
23
29
</pre>
...the program has to be terminated by the user e.g. by typing ctrl-c.
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{{mylangbegin}}
{{mylang|AWK|}}
{{mylang|C|}}
{{mylang|Dc|}}
{{mylang|Spin|}}
{{mylangend}}
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