Samsung How to Turn On/Off Alternative characters

special characters such as the question mark, exclamation mark, plus, multiply, euro and many other characters can be accessed on the Samsung keyboard via the shift key. this makes the letters disappear and the special characters are displayed on the keyboard. another possibility would be to activate the "alternative characters" function. this way, just like with the numerical series, the special characters are placed on one letter second. by tapping and holding the respective letter, the special character can then also be selected.