用Alt碼打出Pi以及各式各樣的符號

使用方法：
確認NumLock開啟，按住Alt鍵，然後一次在小鍵盤上點選這些數字然後鬆開Alt鍵即可。

（部分為自己嘗試得出，其餘收集與網路）

Alt+33 !
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+65 - Alt+90 A-Z

Alt+91 [
Alt+92 \
Alt+93 ]
Alt+94 ^
Alt+95 _
Alt+96 `

Alt+97 - Alt+122 a-z

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+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 ¿

○41395　●41396
△41397　▲41398
◎41399
☆41400　★41401
◇41402　◆41403
□41404　■41405
▽41406　▼41407
♀41456　♂41457
⊕41458　⊙41459
㊣41408
℅41409

▁41570　▂41571　▃41572　▄41573　▅41574　▆41575　▇41576　█41577
▏41578　▎41579　▍41580　▌41581　▋41582　▊41583　▉41584
┼41585　┴41586　┬41587　┤41588　├41589
▔41590　─41591　│41592　▕41593
┌41594　┐41595　└41596　┘41597
╭41598　╮41633　╰41634　╯41635
═41636　╞41637　╪41638　╡41639
◢41640　◣41641　◥41642　◤41643
╱41644　╲41645　╳41646
╔63965　╦63966　╗63967
╠63968　╬63969　╣63970
╚63971　╩63972　╝63973
╒63974　╤63975　╕63976
╞63977　╪63978　╡63979
╘63980　╧63981　╛63982
╓63983　╥63984　╖63985
╟63986　╫63987　╢63988
╙63989　╨63990　╜63991
║63992　═63993

↑41460　↓41461　←41462　→41463　↖41464　↗41465　↙41466　↘41467

，41281　、41282　。41283
．41284　‧41285
；41286　：41287　？41288　！41289　︰41290　…41291　‥41292
﹐41293
﹑41294
﹒41295
41296 (半形)
﹔41297
﹕41298
﹖41299
﹗41300
｜41301　–41302　︱41303　—41304　︳41305　╴41306
︴41307　﹏41308
（41309　）41310
︵41311　︶41312
｛41313　｝41314
︷41315　︸41316
〔41317　〕41318
︹41319　︺41320
【41321　】41322
︻41323　︼41324
《41325　》41326
︽41327　︾41328
〈41329　〉41330
︿41331　﹀41332
「41333　」41334
﹁41335　﹂41336
『41337　』41338　﹃41339　﹄41340
﹙41341
﹚41342
﹛41377　﹜41378
﹝41379　﹞41380
‘41381　’41382
“41383　”41384
〝41385　〞41386
‵41387　′41388
＃41389　＆41390　＊41391　※41392
§41393 (半形)
〃41394
¯41410 (半形)
￣41411　＿41412　ˍ41413　﹉41414　﹊41415　﹍41416　﹎41417　﹋41418　﹌41419
﹟41420　﹠41421　﹡41422

＄41539
￥41540
〒41541
￠41542
￡41543
％41544
＠41545
℃41546　℉41547
﹩41548
﹪41549
﹫41550
㏕41551　㎜41552　㎝41553　㎞41554　㏎41555　㎡41556　㎎41557　㎏41558　㏄41559
°41560 (半形)
兙41561　兛41562　兞41563　兝41564　兡41565　兣41566　嗧41567　瓩41568　糎41569

Ⅰ41657
Ⅱ41658
Ⅲ41659
Ⅳ41660
Ⅴ41661
Ⅵ41662
Ⅶ41663
Ⅷ41664
Ⅸ41665
Ⅹ41666

Α41796　α41820
Β41797　β41821
Γ41798　γ41822
Δ41799　δ41823
Ε41800　ε41824
Ζ41801　ζ41825
Η41802　η41826
Θ41803　θ41827
Ι41804　ι41828
Κ41805　κ41829
Λ41806　λ41830
Μ41807　μ41831
Ν41808　ν41832
Ξ41809　ξ41833
Ο41810　ο41834
Π41811　π41835
Ρ41812　ρ41836
Σ41813　σ41837
Τ41814　τ41838
Υ41815　υ41839
Φ41816　φ41840
Χ41817　χ41841
Ψ41818　ψ41842
Ω41819　ω41843

為使本文得到斧正和提問，轉載請註明出處：
http://blog.csdn.net/nomasp