What shortcut key is used to open the computer calculator window?

Windows 7 operating system can refer to the following methods:

1, click Start-All Programs-Accessories, then right-click the computer and left-click Properties;

2. In the calculator properties dialog box that pops up, select the shortcut key Crtl+Alt+J for the calculator. Here, hold down these three keys and click Apply OK. Later, press and hold Crtl+Alt+J to bring up the calculator.