Floating point arithmetic is rarely exact.

浮点运算很少是精确的。

youdao

Even under version 7.2, Vim does only floating-point arithmetic if one of the operands is explicitly floating-point.

即使对于版本7.2，如果其中一个运算对象被明确声明为浮点类型，那么Vim只支持浮点算术。

youdao

While nearly every processor and programming language supports floating point arithmetic, most programmers pay little attention to it.

虽然几乎每种处理器和编程语言都支持浮点运算，但大多数程序员很少注意它。

youdao

My point is that his clever arithmetic, even if his fingers were crossed behind his back, can do real damage to his less sophisticated audience.

FORBES: Million Dollar Jobs

This may or may not actually be true but what I want to point to is the seeming ignorance even of basic arithmetic that the piece reveals.

FORBES: Can Robert Reich Actually Do Arithmetic? Apologies, But Yes This Is A Serious Question

And while computers were ideal for streamlining tedious dice rolls and arithmetic, those, for him, were never the point.

ECONOMIST: Gary Gygax