sqrt(1.0 - pow(1.0,2)) returns -nan
43
Is floating point math broken?
49107
How do I convert an integer to a float in JavaScript?
112555
Rounding of nearest 0.5
41204
Why do I get one extra wrong solution when solving $2-x=-\sqrt{x}$?
102306
Why is this simple calculation of two doubles inaccurate?
130723
Why is the result of a raster calculation integer when it should be decimal?
79481
Why double.Parse("0.05") returns 5.0?
103586
Applying casts to the results of integer and floating point division: what's going on here?
31907
Why does N[1.000 01, 10] return 1.00001, but N[1.000 001, 10] returns only 1.?
111432
Square root of a number squared is equal to the absolute value of that number
26922
Convert NaN to 0 in javascript
118681
What is the internal representation of inf and NaN?
137741
Computing the square root function with Newton's method
82866
Calculating roots with bc_math or GMP
85425
Is there any simple method to calculate $\sqrt x$ without using logarithm
14639
Optimizations for pow() with const non-integer exponent?
12593
Strange results with floating-point comparison