Method 1

Switch the input method to Chinese, and input big language. This symbol will be displayed in the fifth one, and you can press 5 directly on the smart disk.

Method 2

1. When we right-click the input method, the following interface will pop up. When the mouse arrow moves to Symbol Input, it will expand automatically. We click on "Mathematical Symbol".

2. In the symbol input device, we can find the symbol we want. The symbols in it are comprehensive, and almost all input methods have similar symbol input devices.

Method 3

We hold down the alt key with our left hand, then input 4 1436 with our right hand, and finally release the alt key to enter ≤. Enter 4 1437 in the above way, and we can type ≥