The diameter sign is Alt+0216 - Ø
To type the pound sign on a US keyboard hold down the ALT key and type 156 on the numeric keypad.
The keyboard symbol is... Ⓐ Just copy & paste
Type I love you
The key combination [Shift]+2 should do for standard keyboards to type the "at" (@) sign.
On the keyboard find the < sign and next to it put the number 3, making <3. This works on any standard keyboard.
shift then 6 at the same time
" ; " <------------- This is THE period sign on keyboard!!
alt ( hold ) then type 0215. Ex. 2 × 2 = 4
there is no certain key for it you have to type alt+236 and then it will look like ∞ that
Hold down shift and push 2 on the number row. (Depending on the type of keyboard - mine is <shift> + <'> )
The '~ #' key is between (diagonally speaking) the enter key and the right shift key on an English keyboard.
hindi keyboard is very different. You can use a quick google search and remapp your keys.