Why are 11, 111, 1111, ... equivalent to -1 in two's complement?
55644
Binary number 11 represents?
11998
In how many sequences of length $n$, the difference between every 2 adjacent elements is $1$ or $-1$?
13260
Choosing $101$ numbers from $\{1, 2, \dots , 200\}$.
11440
When is the number $11111\cdots1$ a prime number?
126031
why is not (123 == 0123) in java?
129151
Why do computers only use 0 and 1?
111616
Why avoid increment ("++") and decrement ("--") operators in JavaScript?
5508
Why does 0154 === 108?
34024
Are +0 and -0 the same?
78556
Why isn't [1,2,3] equal to itself in Javascript?
55094
How to show $i^{-1} = -i$?
55994
Why do statisticians like "$n-1$" instead of "$n$"?
97890
$\{1,1\}=\{1\}$, origin of this convention
13363
Why does an argument similiar to 0.999...=1 show 999...=-1?
13688
Why are these numbers not equal?
151930
What does it mean by $t=-1$?
17532
Why does Simplify[b-a] give -a+b and not b-a?