One: Sogou Pinyin Input Method
(1) Type "Infinite"
(2) Press "CTRL"+"SHIFT"+"B"-Special Symbol-Math/Unit-Bottom line in the upper left corner is available, and click it (old version).
(3) In the second line of the second box, press "CTRL"+"SHIFT"+"V"-Math/Unit-the first, and click (sogou Input Method 7.6 Official Edition).
Two: QQ pinyin input method
(1) Enter "Fu Hao", press semicolon to open the symbol input device, and find ∞ in "Mathematics/Unit".
(2) Enter "v 1", press PageDown several times to find ∞, and press the letter before infinity to type ∞. Method 3: Press I to appear the menu, open the symbol input device, and find ∞ in "Mathematics/Unit".
Three: If you want to input "∞", you can hold down the Alt key (shift key), press "4 1438" in the keypad in turn, and then release the Alt key to display "∞" on the screen.
Four: You can directly copy and paste "∞" in the corresponding position.
Five: Baidu input method
(1) Enter "Wu Qiong" (infinity).
(2) Settings, symbols, quantity/unit, and the last one in the second box table is ∞
B, mathematical symbol "root" generally has three input methods:
First, the easiest way is to right-click on the small keyboard of the floating language bar on the desktop to select mathematical symbols, and there will be a √ on the soft keyboard.
Input directly from the keyboard, the method is as follows:
2. Hold down the shift key (Alt key) with your left hand, press 4 1420 with your right hand (don't press the one above the keyboard, press the one on the right), release your hand, and the root sign (√) will come out.
Similarly:
Press 178 to sign the square (? )
According to 179 is the cubic number (? )
2 15 is a multiplication sign (×).
247 is the division symbol ().
176 is a degree ()
There are many math and special symbols to play with.
Third, WORD 2003 inserts a "root sign"
WORD 2003 insert formula
Click where you want to insert the formula.
(1) On the Insert menu, click Object, and then click the New tab.
Click the Microsoft Formula 3.0 option in the Object Type box.
If you don't have the Microsoft Formula Editor, please install it.
Click the OK button.
(2) From the formula toolbar (toolbar: the toolbar contains buttons and options for executing commands. To display the toolbar, click Customize on the Tools menu, and then click the Toolbars tab. ), type variables and numbers to create a formula.
(3) On the top line of the formula toolbar, you can choose from more than 150 mathematical symbols. In the following line, you can choose from many templates or frameworks (including fractions, integrals and sum symbols, etc. ).