iphone - Show keyboard with button have symbol "#+=" as default -

i want when touch on textfield, show keyboard has symbol like: "[,],{,}..." delegate , try types doesn't have keyboard type.

i have searched can find solution. possible?

there no default keyboards show special characters. can have "numbers , punctuation" keyboard close.

the best solution have custom input view textfield.

create view button have, , set view inputview of textfield.

    mytextfield.inputview = mycustomview; 

add ibaction buttons , place below code.

- (ibaction)buttonpressed:(uibutton *)btn {     [self.currentactivetextfield inserttext:btn.titlelabel.text]; }