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How to type mathematical symbols?
I think pinyin plus input method is the best, and many words can be typed directly. I'm using the 4.2 portable version now. Add special symbol coding list

The symbol name is Quanpin Shuangpin 1 Shuangpin 2, and the symbol name is Quanpin Shuangpin 1 Shuangpin 2.

Empty cell kg kg kg ‖ double vertical line ssx iix uux

Double space skgigkukg [] empty bracket kxkh kxkh kxkh

, comma dh dh dh solid bracket sxkh ixkh uxkh

, Dun number dh dh dh √ Tick dg dg dg

. The number of sentences jh jh jh ≈ is about equal to ydy ydy ydy.

Ydyyd ≤ less than or equal to xydyxydy.

The interval number jgh jgh jgh is greater than or equal to dydydydy.

-The dotted line PZH PVH PVH is greater than dy dyh dyh.

..... ellipsis slhilhulh = equals dy dyh dyh.

Single quotation mark dyh dyh dyh' single apostrophe dphdhph

Double quotation marks syh iyh uyh double apostrophe sph iph uph

Square brackets fkh fkh fkh' fen fr ff

Dsmh dimh dumh second seedling mk mk

Book title smh imh umh ♂ male symbol xxfh xxfh xxfh

""vertical version of the title ssmh iimh uumh ♀ female symbol cxfh cxfh cxfh.

+/-symbol zfh vfh vfh♀♀ Gender xb

× Multiply Chuuhih duDu Du

Divided by degrees celsius ssd iid uud

ComparisonNo. dbh dbh dbh℃ Temperature Standard wb

‰ micrometer number QFH QFH QFH chapter number zjh vjh vjh

% percent symbol bfhbbfh ※ cross symbol hch huh hih

() Parentheses YKHYKHYKH @ jingjing jingjing jingjing

{} Braces dkh dkh dkh π are arranged in rows

? Wen Hao what what? No, no, no, no.

; Number FH FH number

: Mao Hao MH MH № sequence no. XHXHXHXH。

! Sigh th th ☆★ Five-pointed star wjx wjx wjx

#No. jing jh jh ○● Circle yq yq yq

$ Meiyuan my my my diamond lx lx lx

-pound Yb Yb□■ Square frame fk fk fk

Rmb RMB△▲ triangle sjx sjx sjx

& and and and and/ diagonal xg xg xg

& Hehehehe