One: Sogou Pinyin Input Method
(1) Type "Wu Qiongda" (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".
(3) Enter "Infinite"
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 ∞
Six: type it directly with the formula editor.
Extended data:
Infinite or infinite, the mathematical symbol is ∞.
It comes from the Latin "infinitas", which means "no boundary".
It has different concepts in theology, philosophy, mathematics and daily life. Usually the use of this word does not involve its more professional definition.
In mathematics, infinity is related to the following topics or concepts: mathematical limit, Alev number, class in set theory, Dai Dejin-infinite group, Russell paradox, hyperreal number, projective geometry, extended real number axis and absolute infinity.
In some themes or concepts, infinity is considered as a concept that is added beyond the boundary, rather than a number.
In pop culture, Buzz Lightyear's mantra in Toy Story is "To infinity and beyond!" Reach infinity, transcend infinity,
This sentence can also be regarded as the cry of set theorists who study large cardinality.
Extended source: Baidu Encyclopedia-Infinite.