Is 4.99999......... exactly equal to 5?
286
Is it true that $0.999999999\ldots=1$?
4861
Can 0.99999999999 be rounded to 1.0 when multiplying?
31907
Why does N[1.000 01, 10] return 1.00001, but N[1.000 001, 10] returns only 1.?
112555
Rounding of nearest 0.5
65802
The number of 5-digit numbers such that their sum of digits is even is?
98294
Can decimal numbers be considered "even" or "odd"?
36182
Why doesn't the last digit method work for divisibility by 4?
17963
I have learned that 1/0 is infinity, why isn't it minus infinity?
157954
How many digits does the integer zero have?
64668
Verify that $4(29!)+5!$ is divisible by $31$.
63781
Is $1234567891011121314151617181920212223......$ an integer?
108748
Why there are real numbers with infinite digits, but no such natural numbers (or another reason why real numbers are uncountable)
9156
Can someone explain this: 0.2 + 0.1 = 0.30000000000000004?
107742
Insert $+$, $-$, $\times$, $/$, $($, $)$ into $123456789$ to make it equal to $100$
141886
Incorrect notation in math?
94634
How many times more than $0$?
77764
Is "$a + 0i$" in every way equal to just "$a$"?