Unusual Math with incorrect results?
126904
math.sin incorrect result
81719
Very different results from evaluating same expression with different precisions
76163
Math.cos() gives wrong result
123539
Numerical phenomenon. Who can explain?
128340
Getting incorrect results applying Ampere's law
63749
Floating point inaccuracy examples
72620
Finding the value of $1.1^{82}$ using $(1+x)^{82}$ to a certain accuracy
46130
"new BigDecimal(13.3D)" results in imprecise "13.3000000000000007105.."?
9091
round() doesn't seem to be rounding properly
13688
Why are these numbers not equal?
123737
Has my textbook given the incorrect equation for calculating uncertainty in multiplication?
51890
simple calculation not working for some reason
19232
Strange floating-point behaviour in a Java program
116283
How to properly interpret a seemingly contradictory result in Mathematica?
157069
sum of double precision gives weird results
21905
Simple excel math wrong
147528
Where's the error in this $2=1$ fake proof?