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| This is the sandbox. There will probably be another one as this can get too big.
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| <pre>from math import pi
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| p=pi
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| print(int(p),end=' ')
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| p-=int(p)
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| for i in range(14):
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| p*=7
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| print(int(p),end=' ')
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| p-=int(p)</pre>
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| Pi in septenary: 3 0 6 6 3 6 5 1 4 3 2 0 3 6 1 http://oeis.org/A004606
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| 153 and 1077 are not prime. 1077×7+3 is even, thus not prime.
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| Pi in tetradecimal: 3 1 13 10 7 5 12 13 10 8 1 3 7 5 2 http://oeis.org/A068439
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| 43 is prime. 615 is not prime.
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| <pre>from math import e
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| from math import exp
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| for i in range(1,20):
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| for j in range(1,20):
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| print(i,j,exp(j)-i**i)</pre>
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| <pre>from math import sqrt
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| print("(7+14)/2=",(7+14)/2)
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| print("sqrt(7*14)=",sqrt(7*14))</pre>
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| Do not add links to B23 dot TV. These links will expire after a year. {{tl|b}}
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