This function prints a Numeric Question in GIFT format.
Usage
GIFTNQ(qtxt, ans, err=0)
Arguments
qtxt
Text of the question.
ans
Numeric answer.
err
Error allowed.
Value
No value is returned but some text in printed.
Details
These functions use the cat() function to print a Numerical
Question
in the GIFT format. In this question, the user is asked to write down
a number. Use of the sink() function is adviced to send the ouput to a text
file.
The range of answers allows is 'ans' plus/minus 'err' unless 'ans' is of length
2. In that case, the range of valid answers is ans[1] to ans[2].