Your keyboard is disfunctional.
"Slash" is not limited to roblox, but is rather a universal key on your keyboard. "Slash" refers to the "/' key on your keyboard. It is found on the lower right side of the keyboard directly left of the right shift key.
A keyboard only has one of each letter. By pressing the "shift" key, however, you can change the small C to a capital.
To get "(" push shift and the 9 key at the same time. to get "{" push the shift and the [ key at the same time.
Depending on the context, you'd use the tab key or arrow keys.
Shift Key
The '~ #' key is between (diagonally speaking) the enter key and the right shift key on an English keyboard.
Just press the left SHIFT key and press the number 8 key
You can do it using the Shift 5 combination on your keyboard, as it is directly on your keyboard.
By default its left Alt and Shift key.
The shift-9 combination on a keyboard types a left parenthesis.
The shift key is a modifier key on a keyboard, used to type capital letters and other alternate upper characters. There are typically two shift keys, on the left and right sides of the row below the home row.