I found this out in school one day......... you should try it out. I will add more. Use the right keypad- the one that has plus, minus, divide and subtract
Alt + 0134= †
Alt + 0137= ‰
Alt + 0456= Lj
Alt + 4560= ᇐ
Alt + 11 = ♂
Alt + 0254= þ
Alt + 25687= 柛
Alt + 2568= ਈ
Alt + 25689= 摙
Alt + 25674= 摊