Why does (1.3)(.7) != 1?
49923
Why does $0.75 \times 1.25$ equal $0.93$ and not $1$?
42605
Is there a technical reason to use > (<) instead of != when incrementing by 1 in a 'for' loop?
99976
Why is (sizeof(int) > -1) false?
122916
Does $[0.9999....]=1$?
72620
Finding the value of $1.1^{82}$ using $(1+x)^{82}$ to a certain accuracy
95145
Does $\exp(2ir\pi)$ equal $1$? What's wrong?
114736
What does 1 with an inequality in the subscript mean?
4435
What does $\!\bmod(n,x^r-1)$ mean? [in AKS primality test]
97890
$\{1,1\}=\{1\}$, origin of this convention
115506
What's wrong with this demonstration? (1 = -1)
132239
Why is the solution single-valued?
82380
Compute $\Gamma(2.7)$
96535
Show that if $\gcd(a,3)=1$ then $a^7 \equiv a\pmod{63}$. Why is this assumption necessary?
54260
Int division: Why is the result of 1/3 == 0?
80320
When can I assume that all decimal digits returned by Mathematica are provably correct?
121767
Why $\det(A^{-1}) = 1/\det(A)$?
114308
Why does round(2.49999999999999992) returns 3