Communities

Writing
Writing
Codidact Meta
Codidact Meta
The Great Outdoors
The Great Outdoors
Photography & Video
Photography & Video
Scientific Speculation
Scientific Speculation
Cooking
Cooking
Electrical Engineering
Electrical Engineering
Judaism
Judaism
Languages & Linguistics
Languages & Linguistics
Software Development
Software Development
Mathematics
Mathematics
Christianity
Christianity
Code Golf
Code Golf
Music
Music
Physics
Physics
Linux Systems
Linux Systems
Power Users
Power Users
Tabletop RPGs
Tabletop RPGs

Dashboard
Notifications
Mark all as read
Q&A

General Q&A about all branches of theoretical and applied mathematics, including closely-adjacent sciences where the central question is about the math.

81%
+7 −0
When and how should the $Z_n^2$ statistic be used?

1 answer  ·  posted 1y ago by HDE 226868‭  ·  last activity 3mo ago by HDE 226868‭

42%
+1 −2
60%
+1 −0
33%
+0 −2
Sigma summation to non-general summation

1 answer  ·  posted 3mo ago by Istiak‭  ·  last activity 3mo ago by Wolgwang‭

40%
+0 −1
What is the meaning of integration under integral sign?

1 answer  ·  posted 3mo ago by Istiak‭  ·  last activity 3mo ago by Istiak‭

44%
+2 −3
Why does “unless” mean “if not”?

2 answers  ·  posted 12mo ago by PSTH‭  ·  edited 3mo ago by Peter Taylor‭

33%
+0 −2
50%
+0 −0
50%
+0 −0
50%
+0 −0
How to derive some trigonometric formulas?

2 answers  ·  posted 3mo ago by Istiak‭  ·  last activity 3mo ago by Istiak‭

50%
+0 −0
A formal-logic formula for decimal to binary conversion

3 answers  ·  posted 4mo ago by JohnDoea‭  ·  last activity 4mo ago by r~~‭

50%
+0 −0
33%
+0 −2
If k = 1, why $n(n-1) \dots \color{red}{(n-k+1)} = n$?

1 answer  ·  posted 4mo ago by DNB‭  ·  edited 4mo ago by DNB‭

50%
+0 −0
"A occurred" vs. "something must happen"

1 answer  ·  posted 4mo ago by DNB‭  ·  edited 4mo ago by DNB‭

66%
+2 −0
How can I deduce which operation removes redundacies?

3 answers  ·  posted 10mo ago by DNB‭  ·  edited 4mo ago by DNB‭

33%
+0 −2
57%
+2 −1

This community is part of the Codidact network. We have other communities too — take a look!

You can also join us in chat!

Want to advertise this community? Use our templates!

Like what we're doing? Support us! Donate