Why does 1.414 - sqrt(2).n(digits=4) not evaluate to zero?
sage: sqrt(2).n(digits=4) 1.414 sage: 1.414 - sqrt(2).n(digits=4) -0.0002136
Revision history [back]
 | 1 | initial version |
rounding error .n() and N()
| | 2 | No.2 Revision |
rounding error .n() and N()
Why does 1.414 - sqrt(2).n(digits=4) not evaluate to zero?
sage: sqrt(2).n(digits=4)
1.414
sqrt(2).n(digits=4)
1.414
sage: 1.414 - sqrt(2).n(digits=4)
sqrt(2).n(digits=4)
-0.0002136
