Mathematica
MATHEMATICA 内置符号

$Aborted

$Aborted
返回一个特殊符号作为结果，表示取消计算.

范例范例打开所有单元关闭所有单元

基本范例 (2)基本范例 (2)

取消计算时，返回 $Aborted：

In[1]:=
Click for copyable input
Out[1]=

尝试用精确算法计算，如果运算太慢，则退回到机器算法：

In[1]:=
Click for copyable input
In[2]:=
Click for copyable input
Out[2]=
In[3]:=
Click for copyable input
Out[3]=
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版本 2 的新功能
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