用法就是摁住ALT不松，然后输入小键盘数字（一定要小键盘），再松开ALT就可以了
α ALT+42689
β ALT+42690
γ ALT+42691
δ ALT+42692
ε ALT+42693
ζ ALT+42694
η ALT+42695
θ ALT+42696
ι ALT+42697
κ ALT+42698
λ ALT+42699
μ ALT+42700
ν ALT+42701
ξ ALT+42702
ο ALT+42703
π ALT+42704
ρ ALT+42705
σ ALT+42706
τ ALT+42707
υ ALT+42708
φ ALT+42709
χ ALT+42710
ψ ALT+42711
ω ALT+42712
① Alt+41689
② Alt+41690
③ Alt+41691
④ Alt+41692
⑤ Alt+41693
⑥ Alt+41694
⑦ Alt+41695
⑧ Alt+41696
⑨ Alt+41697
⑩ Alt+41698
一 Alt+41701
二 Alt+41702
三 Alt+41703
四 Alt+41704
五 Alt+41705
六 Alt+41706
七 Alt+41707
八 Alt+41708
九 Alt+41709
十 Alt+41710
Ⅰ Alt+41713
Ⅱ Alt+41714
Ⅲ Alt+41715
Ⅳ Alt+41716
Ⅴ Alt+41717
Ⅵ Alt+41718
Ⅶ Alt+41719
Ⅷ Alt+41720
Ⅸ Alt+41721
Ⅹ Alt+41722
Ⅺ Alt+41723
Ⅻ Alt+41724
Alt+41429 ≌
Alt+41430 ≈
Alt+41431 ∽
Alt+41432 ∝
Alt+41433 ≠
Alt+41434 ≮
Alt+41435 ≯
Alt+41436 ≤
Alt+41437 ≥
Alt+41438 ∞
Alt+41439 ∵
Alt+41440 ∴
Alt+41441 ♂
Alt+41442 ♀
Alt+41443 °
Alt+41444 ′
Alt+41445 〃
Alt+41446 ℃
Alt+41447 ＄
Alt+41448 ¤
Alt+41449 ￠
Alt+41450 ￡
Alt+41451 ‰
Alt+41452 §
Alt+41453 №
Alt+41454 ☆
Alt+41455 ★
Alt+41456 ○
Alt+41457 ●
Alt+41458 ◎
Alt+41459 ◇
Alt+41460 ◆
Alt+41461 □
Alt+41462 ■
Alt+41463 △
Alt+41464 ▲
Alt+41465 ※
Alt+41466 →
Alt+41467 ←
Alt+41468 ↑
Alt+41469 ↓
Alt+41470 〓
Alt+41471 ?
Alt+215 ×
Alt+41400 「
Alt+41401 」
Alt+41402 『
Alt+41403 』
Alt+41404 〖
Alt+41405 〗
Alt+41406 【
Alt+41407 】
Alt+41408 ±
Alt+41409 ×
Alt+41410 ÷
Alt+41411 ∶
Alt+41412 ∧
Alt+41413 ∨
Alt+41414 ∑
Alt+41415 ∏
Alt+41416 ∪
Alt+41417 ∩
Alt+41418 ∈
Alt+41419 ∷
Alt+41420 √
Alt+41421 ⊥
Alt+41422 ‖
Alt+41423 ∠
Alt+41424 ⌒
Alt+41425 ⊙
Alt+41426 ∫
Alt+41427 ∮
Alt+41428 ≡
Alt+41386 —
Alt+41387 ～
Alt+41388 ‖
Alt+41389 …
Alt+41390 ‘
Alt+41391 ’
Alt+41392 “
Alt+41393 ”
Alt+41394 〔
Alt+41395 〕
Alt+41396 〈
Alt+41397 〉
Alt+41398 《
Alt+41399 》
Alt+123 {
Alt+124 |
Alt+125 }
Alt+126 ~
Alt+128 €
Alt+130 ‚
Alt+131 ƒ
Alt+132 „
Alt+133 …
Alt+134 †
Alt+135 ‡
Alt+136 ˆ
Alt+137 ‰
Alt+138 Š
Alt+139 ‹
Alt+140 Œ
Alt+145 ‘
Alt+146 ’
Alt+147 “
Alt+148 ”
Alt+149 •
Alt+150 –
Alt+151 —
Alt+152 0˜
Alt+153 ™
Alt+154 š
Alt+155 ›
Alt+156 œ
Alt+158 ž
Alt+159 Ÿ
Alt+160 ¡
Alt+161 ¢
Alt+163 £
Alt+164 ¤
Alt+165 ¥
Alt+166 ¦
Alt+167 §
Alt+168 ¨
Alt+169 ©
Alt+170 ª
Alt+171 «
Alt+172 ¬
Alt+173
Alt+174 ®
Alt+175 ¯
Alt+176 °
Alt+34 "
Alt+35 #
Alt+36 $
Alt+37 %
Alt+38 &
Alt+39
Alt+40 (
Alt+41 )
Alt+42 *
Alt+43 +
Alt+44 ,
Alt+45 -
Alt+46 .
Alt+60 <
Alt+61 =
Alt+62 >
Alt+63 ?
Alt+64 @
Alt+92
Alt+93 ]
Alt+94 ^
Alt+95 _
Alt+96 `
Alt+177 ±
Alt+178 ²
Alt+179 ³
Alt+180 ´
Alt+181 µ
Alt+182 ¶
Alt+183 ·
Alt+184 ¸
Alt+185 ¹
Alt+186 º
Alt+187 »
Alt+188 ¼
Alt+189 ½
Alt+190 ¾
Alt+191 ¿
Alt+189 ½