Question

Unusual Logarithm Problem

score 71 · Answer 1 · 2026-03-17 11:45:41

71

Views

Unusual Logarithm Problem

Published on 17 Mar 2026 - 11:45

score 315 · Answer 2 · 2026-03-22 13:33:53

315

Views

Simple recursive algorithms to manually compute elementary functions with pocket calculators

Published on 22 Mar 2026 - 13:33

score 2.1k · Answer 3 · 2026-03-19 21:35:15

2.1k

Views

Example equation which does not have a closed-form solution

Published on 19 Mar 2026 - 21:35

score 38 · Answer 4 · 2026-03-22 12:03:39

38

Views

How quickly can EFA define things, asymptotically?

Published on 22 Mar 2026 - 12:03

score 744 · Answer 5 · 2026-03-22 09:37:12

744

Views

How to prove $\int \frac{1}{(x\sin(x))^2}\,dx$ doesnt have an elementary closed form?

Published on 22 Mar 2026 - 9:37

score 68 · Answer 6 · 2026-03-20 05:48:17

68

Views

Simplifying a polynomial equation (undergraduate algebra)

Published on 20 Mar 2026 - 5:48

score 305 · Answer 7 · 2026-03-20 10:33:20

305

Views

Is it possible to express the derivative of the Bessel function of the Second Kind, using elementary functions, if $n$ is an integer, or half integer?

Published on 20 Mar 2026 - 10:33

score 83 · Answer 8 · 2026-03-20 11:49:50

83

Views

If an elementary function is the sum of two other functions , are these two functions necessarily elementary ? elementary?

Published on 20 Mar 2026 - 11:49

score 118 · Answer 9 · 2026-03-20 04:59:49

118

Views

How do I find $f(x)$ based on this?

Published on 20 Mar 2026 - 4:59

score 120 · Answer 10 · 2026-03-20 11:57:29

120

Views

Inverse of $g(x)=\frac{x^2+x}{2}$

Published on 20 Mar 2026 - 11:57

score 635 · Answer 11 · 2026-03-20 13:14:47

635

Views

Help with this trigonometric equation

Published on 20 Mar 2026 - 13:14

score 61 · Answer 12 · 2026-03-22 23:35:22

61

Views

Show that $\sum_{k=1}^{\infty}\frac{\sin\left(kx\right)}{k^2}$ is not an elementary function

Published on 22 Mar 2026 - 23:35

score 1.9k · Answer 13 · 2026-03-23 08:11:39

1.9k

Views

Range of $ f(x)=\ln(x+\sqrt{x^2+1}) $

Published on 23 Mar 2026 - 8:11

score 253 · Answer 14 · 2026-03-23 14:01:23

253

Views

How can I simplify $\frac{\sin(1) + \sin(2) + \cdots + \sin(100)}{\cos(1) + \cos(2) + \cdots +\cos(100)}$

Published on 23 Mar 2026 - 14:01

score 73 · Answer 15 · 2026-03-23 11:40:14

73

Views

If $\lim_{x\rightarrow 0}f^2(x)=1$ show that $\lim_{x\rightarrow0}f(x)=1$

Published on 23 Mar 2026 - 11:40

List Question

Unusual Logarithm Problem

Simple recursive algorithms to manually compute elementary functions with pocket calculators

Example equation which does not have a closed-form solution

How quickly can EFA define things, asymptotically?

How to prove $\int \frac{1}{(x\sin(x))^2}\,dx$ doesnt have an elementary closed form?

Simplifying a polynomial equation (undergraduate algebra)

Is it possible to express the derivative of the Bessel function of the Second Kind, using elementary functions, if $n$ is an integer, or half integer?

If an elementary function is the sum of two other functions , are these two functions necessarily elementary ? elementary?

How do I find $f(x)$ based on this?

Inverse of $g(x)=\frac{x^2+x}{2}$

Help with this trigonometric equation

Show that $\sum_{k=1}^{\infty}\frac{\sin\left(kx\right)}{k^2}$ is not an elementary function

Range of $ f(x)=\ln(x+\sqrt{x^2+1}) $

How can I simplify $\frac{\sin(1) + \sin(2) + \cdots + \sin(100)}{\cos(1) + \cos(2) + \cdots +\cos(100)}$

If $\lim_{x\rightarrow 0}f^2(x)=1$ show that $\lim_{x\rightarrow0}f(x)=1$

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