Understanding why multiplying by (-1) on a number line creates a mirror image.
17515
Why is negative times negative = positive?
25159
Why does the inverse of the Hilbert matrix have integer entries?
50662
Why does this pattern occur: $123456789 \times 8 + 9 = 987654321$
147919
How does this optical illusion work?
103056
Mirror effect in documents
151930
What does it mean by $t=-1$?
57623
Does a +1/+1 counter remove a -1/-1 counter?
58556
What does DISPLAY=:0.0 actually mean?
3514
reversing digits and squaring
78556
Why isn't [1,2,3] equal to itself in Javascript?
149954
Subtraction of a negative number
96517
subsurf splits the mirrored model into two objects
69299
Why do these two multiplication operations give different results?
650
Modulus operation with negatives values - weird thing?
65088
Why do you count a loop as a double in graph degree?
33601
Emphasis of this double negative?
9156
Can someone explain this: 0.2 + 0.1 = 0.30000000000000004?