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Diff for /loncom/html/adm/help/tex/Problem_LON-CAPA_Functions.tex between versions 1.7 and 1.8

version 1.7, 2005/06/29 18:07:15 version 1.8, 2006/07/18 15:26:41
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 \&to\_string(\$x), \&to\_string(\$x,\$y)  & If x is an integer, returns a string. If x is real than the output is a string with format given by y. For example, if x = 12.3456, \&to\_string(x,''.3F'') = 12.345 and \&to\_string(x,''.3E'') = 1.234E+01. \\  \&to\_string(\$x), \&to\_string(\$x,\$y)  & If x is an integer, returns a string. If x is real than the output is a string with format given by y. For example, if x = 12.3456, \&to\_string(x,''.3F'') = 12.345 and \&to\_string(x,''.3E'') = 1.234E+01. \\
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 \&class(), \&section()  & Returns null string, class descriptive name, section number, set number and null string. \\  \&class(), \&sec()  & Returns null string, class descriptive name, section number, set number and null string. \\
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 \&name(), \&student\_number()  & Return the full name in the following format: lastname, firstname initial. Student\_number returns the student 9-alphanumeric string. If undefined, the functions return null. \\  \&name(), \&student\_number(), \&firstname(), \&lastname()  & Return the full name in the following format: lastname, firstname initial. Student\_number returns the student 9-alphanumeric string. The functions firstname and lastname return just that part of the name. If undefined, the functions return null. \\
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 \&check\_status(\$partid) &Returns a number identifing the current status of a part. Ture values mean that a part is ``done'' (either unanswerable becuase of tries exhuastion, or correct) or a false value if a part can still be attempted. If \$part is unspecfied, it will check either the current $<$part$>$'s status or if outside of a $<$part$>$, check the status of previous $<$part$>$. The full set of return codes are: 'undef' means it is unattempted, 0 means it is attmpted and wrong but still has tries, 1 means it is marked correct, 2 means they have exceed maximum number of tries, 3 means it after the answer date\\  \&check\_status(\$partid) &Returns a number identifing the current status of a part. True values mean that a part is ``done'' (either unanswerable because of tries exhaustion, or correct) or a false value if a part can still be attempted. If \$part is unspecfied, it will check either the current $<$part$>$'s status or if outside of a $<$part$>$, check the status of previous $<$part$>$. The full set of return codes are: 'undef' means it is unattempted, 0 means it is attmpted and wrong but still has tries, 1 means it is marked correct, 2 means they have exceed maximum number of tries, 3 means it after the answer date\\
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 \&open\_date(), \&due\_date(), \&answer\_date()  & Problem open date, due date and answer date. The time is also included in 24-hr format. \\  \&open\_date(), \&due\_date(), \&answer\_date()  & Problem open date, due date and answer date. The time is also included in 24-hr format. \\
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Removed from v.1.7  
changed lines
  Added in v.1.8

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