List questions from decimal-expansion

Published on 13 Nov 2018 - 9:54

218

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Real irrational algebraic numbers "never repeat"

Published on 23 Feb 2026 - 2:52

222

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Converting Decimal with 3 decimal places to Octal

Published on 28 Nov 2018 - 11:28

2.5k

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Understanding Normal Numbers

Published on 01 Dec 2018 - 20:39

99

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Decimal representation of the set [0,1)

Published on 04 Dec 2018 - 14:15

87

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Equation Involving Digit Sum Function

Published on 10 Dec 2018 - 16:11

72

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Finding sum of digits of $m$

Published on 11 Dec 2018 - 16:47

1.9k

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How do you add, subtract, multiply, and divide infinite decimals?

Published on 12 Dec 2018 - 16:15

63

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Round off to decimals

Published on 21 Mar 2026 - 21:14

198

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$\sum\limits_{m\geq1}\sum\limits_{n\geq1}\frac{(-1)^n}{n^3}\sin\left(\frac{n}{m^2}\right)=\frac{\pi^6}{11340}-\frac{\pi^4}{72}$ Numerical evidence

Published on 25 Dec 2018 - 1:00

3.9k

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Numbers such that they equal the product of their own digits

Published on 27 Dec 2018 - 5:36

405

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Apostol Proof for Finite Decimal Approximations to Real Numbers

Published on 31 Dec 2018 - 2:15

3.2k

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Repeatedly dividing $360$ by $2$ preserves that the sum of the digits (including decimals) is $9$

Published on 07 Jan 2019 - 11:43

65

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Writing down consecutive natural numbers until a certain number of digits $k$ is reached.

Published on 15 Jan 2019 - 20:19

1.3k

Views

Find all three digit numbers which are divisible by groups of its digits

Published on 20 Jan 2019 - 9:21

List Question

How are the known digits of $\pi$ guaranteed?

Real irrational algebraic numbers "never repeat"

Converting Decimal with 3 decimal places to Octal

Understanding Normal Numbers

Decimal representation of the set [0,1)

Equation Involving Digit Sum Function

Finding sum of digits of $m$

How do you add, subtract, multiply, and divide infinite decimals?

Round off to decimals

$\sum\limits_{m\geq1}\sum\limits_{n\geq1}\frac{(-1)^n}{n^3}\sin\left(\frac{n}{m^2}\right)=\frac{\pi^6}{11340}-\frac{\pi^4}{72}$ Numerical evidence

Numbers such that they equal the product of their own digits

Apostol Proof for Finite Decimal Approximations to Real Numbers

Repeatedly dividing $360$ by $2$ preserves that the sum of the digits (including decimals) is $9$

Writing down consecutive natural numbers until a certain number of digits $k$ is reached.

Find all three digit numbers which are divisible by groups of its digits

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