Écrire O barré avec un clavier AZERTY

With Linux, with Windows, with whatever you want, it’s super easy to make a strikethrough o:

Alt Gr + o = ø
Alt Gr + Shift + o = Ø

Then, you have plenty of other special characters that are just as easy to make with Alt Gr + letter or Alt Gr + Shift + letter such as:

Alt Gr + a = æ
Alt Gr + e = €
Alt Gr + r = ¶
Alt Gr + t = ŧ
Alt Gr + y = ←
Alt Gr + u = ↓
Alt Gr + i = →
Alt Gr + p = þ
Alt Gr + q = @
Alt Gr + s = ß
Alt Gr + d = ð
Alt Gr + f = đ
Alt Gr + g = ŋ
Alt Gr + h = ħ
Alt Gr + l = ł
Alt Gr + m = µ
Alt Gr + c = ¢
Alt Gr + Shift + a = Æ
Alt Gr + Shift + e = ¢
Alt Gr + Shift + r = ®
Alt Gr + Shift + t = Ŧ
Alt Gr + Shift + y = ¥
Alt Gr + Shift + u = ↑
Alt Gr + Shift + i = ı
Alt Gr + Shift + p = Þ
Alt Gr + Shift + q = Ω
Alt Gr + Shift + s = §
Alt Gr + Shift + d = Ð
Alt Gr + Shift + f = ª
Alt Gr + Shift + g = Ŋ
Alt Gr + Shift + h = Ħ
Alt Gr + Shift + k = &
Alt Gr + Shift + l = Ł
Alt Gr + Shift + m = º
Alt Gr + Shift + c = ©

Numbers above the letters (not the numeric keypad):

Alt Gr + ² = ¬
Alt Gr + 1 = ¹
Alt Gr + Shift + 1 = ¡
Alt Gr + Shift + 2 = ⅛
Alt Gr + Shift + 3 = £
Alt Gr + Shift + 4 = $
Alt Gr + Shift + 5 = ⅜
Alt Gr + Shift + 6 = ⅝
Alt Gr + Shift + 7 = ⅞
Alt Gr + Shift + 8 = ™
Alt Gr + Shift + 9 = ±
Alt Gr + Shift + 0 = °
Alt Gr + Shift + ) = ¿
Alt Gr + Shift + ^ = ˚ (å, Å, ů, Ů)
Alt Gr + Shift + $ = ā, Ā, ē, Ē, ī, Ī, ō, Ō, ū, Ū
Alt Gr + Shift + ù = ˇ (ž, Ž, ř, Ř, ť, Ť, š, Š, ď, Ď, ľ, Ľ, č, Č, ň, Ň)
Alt Gr + Shift + * = ˘ (ă, Ă, ğ, Ğ)
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There you go, I hope this helps everyone ;)