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Is there a closed form formula that yields the number of digits in a decimallybased number ? A special function ?
 2 years ago
 2 years ago
Is there a closed form formula that yields the number of digits in a decimallybased number ? A special function ?
 2 years ago
 2 years ago

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anushkaudeshanBest ResponseYou've already chosen the best response.0
3sec^4 x  10sec^2 x  8 = 0, what is sin x
 2 years ago

estudierBest ResponseYou've already chosen the best response.0
Don't understand the question. I give u 4.35, u want a formula that predicts that there are 3 digits in 4.35..
 2 years ago

MathsBoyBest ResponseYou've already chosen the best response.1
If you want to know how many digits are in the integer x: \[\lfloor \ln(x)/\ln(10) \rfloor + 1\]
 2 years ago

MathsBoyBest ResponseYou've already chosen the best response.1
Or of course, to compensate for negative values of x: \[\lfloor \ln(\left x \right)/\ln(10) \rfloor + 1\]
 2 years ago

MathsBoyBest ResponseYou've already chosen the best response.1
The only problem is it doesn't give an answer for x = 0.
 2 years ago

william.briandBest ResponseYou've already chosen the best response.0
Many thanks. (If this work for strictly positive integer, I'm OK)
 2 years ago
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