The symbol causes the computer to accept data typed on the keyboard. Whatever is typed is treated as characters, even if it is made up of the digits 0 to 9. (See if you require numeric input, or alternatively use , (execute) to convert text data to numeric data.)
does not cause a carriage return when used for output.
A (The cursor is placed at the beginning of HELLO the next line and whatever is typed is accepted. Note there is no prompt. The characters HELLO are put in A. A the contents of A are displayed) HELLO
X 12 (12 is put in X as a 2-character data item) X+5 DOMAIN ERROR (The 12 in X is two characters . Characters X+5 can't be used in arithmetic. See if ^ you want to convert characters to numbers.)
An extract from a user-defined function:
[3] 'PLEASE TYPE YOUR NAME.' [4] NAME (The response is put in NAME) [5] 'THANK YOU ',NAME (The contents of NAME are displayed after 'THANK YOU ')
The dialogue will look like this:
PLEASE TYPE YOUR NAME. REGINALD THANK YOU REGINALD