--- loncom/html/adm/help/tex/Problem_LON-CAPA_Functions.tex 2003/06/27 14:20:01 1.3 +++ loncom/html/adm/help/tex/Problem_LON-CAPA_Functions.tex 2005/04/01 18:32:42 1.5 @@ -45,13 +45,13 @@ \&asinh(\$x), \&acosh(\$x), \&atanh(\$x) & Inverse hyperbolic functions. \$x can be a pure number \\ \hline -\&format(\$x,'nn') & Display or format \$x as nn where nn is nF or nE and n is an integer. Also supports the first character being a \$, it thjen will format the result with a call to \&dollarformat() described below. \\ +\&format(\$x,'nn') & Display or format \$x as nn where nn is nF or nE or nS and n is an integer. \\ \hline -\&prettyprint(\$x,'nn') & Display or format \$x as nn where nn is nF or nE and n is an integer. Also supports the first character being a \$, it then will format the result with a a call to \&dollarformat() described below. In E mode it will attempt to generate a pretty x10\^{}3 rather than a E3 following the number \\ +\&prettyprint(\$x,'nn','optional target') &Display or format \$x as nn where nn is nF or nE or nS and n is an integer. Also supports the first character being a \$, it then will format the result with a a call to \&dollarformat() described below. If the first character is a , it will format it with commas grouping the thousands. In S mode it will fromat the number to the specified number of significant figures and display it in F mode. In E mode it will attempt to generate a pretty x10\^{}3 rather than a E3 following the number, the 'optional target' argument is optional but can be used to force \&prettyprint to generate either 'tex' output, or 'web' output, most people do not need to specify this argument and can leave it blank.  \\ \hline -\&dollarformat(\$x) & Reformats \$x to have a \$ (or $\backslash$\$ if in tex mode) and to have , grouping thousands. \\ +\&dollarformat(\$x,'optional target') & Reformats \$x to have a \$ (or $\backslash$\$ if in tex mode) and to have , grouping thousands. The 'optional target' argument is optional but can be used to force \&prettyprint to generate either 'tex' output, or 'web' output, most people do not need to specify this argument and can leave it blank. \\ \hline \&roundto(\$x,\$n) & Rounds a real number to n decimal points. \$x and \$n can be pure numbers \\ @@ -80,17 +80,19 @@ Option 1 - \&map(\$seed,[$\backslash$\$w Option 2 - \&map(\$seed,$\backslash$@mappedArray,[\$a,\$b,\$c,\$d]) \\ Option 3 - @mappedArray = \&map(\$seed,[\$a,\$b,\$c,\$d]) \\ Option 4 - (\$w,\$x,\$y,\$z) = \&map(\$seed,$\backslash$@a) \\ + Option 5 - @Z = \&map(\$seed,$\backslash$@a) \\ where \$a='A'\\ \$b='B'\\ \$c='B'\\ \$d='B'\\ - \$w, \$x, \$y, and \$z are variables } & Assigns to the variables \$w, \$x, \$y and \$z the values of the \$a, \$b, \$c and \$c (A, B, C and D). The precise value for \$w .. depends on the seed. (Option 1 of calling map). In option 2, the values of \$a, \$b .. are mapped into the array, @mappedArray. The two options illustrate the different grouping. Options 3 and 4 give a consistent way (with other functions) of mapping the items. For each option, the group can be passed as an array, for example, [\$a,\$b,\$c,\$d] =$>$ $\backslash$@a. \\ + \$w, \$x, \$y, and \$z are variables } & Assigns to the variables \$w, \$x, \$y and \$z the values of the \$a, \$b, \$c and \$c (A, B, C and D). The precise value for \$w .. depends on the seed. (Option 1 of calling map). In option 2, the values of \$a, \$b .. are mapped into the array, @mappedArray. The two options illustrate the different grouping. Options 3 and 4 give a consistent way (with other functions) of mapping the items. For each option, the group can be passed as an array, for example, [\$a,\$b,\$c,\$d] =$>$ $\backslash$@a. And Option 5 is the same as option 4 the array of results are saved into a signle array rather than an array opf scalar variables.\\ \hline \parbox{6.49cm}{Option 1 - \&rmap(\$seed,[$\backslash$\$w,$\backslash$\$x,$\backslash$\$y,$\backslash$\$z],[\$a,\$b,\$c,\$d]) or \\ Option 2 - \&rmap(\$seed,$\backslash$@rmappedArray,[\$a,\$b,\$c,\$d]) \\ Option 3 - @rmapped\_array = \&rmap(\$seed,[\$a,\$b,\$c,\$d]) \\ Option 4 - (\$w,\$x,\$y,\$z) = \&rmap(\$seed,$\backslash$@a) \\ + Option 5 - @Z = \&map(\$seed,$\backslash$@a) \\ where \$a='A'\\ \$b='B'\\ \$c='B'\\ @@ -116,7 +118,8 @@ Option 1 - \&map(\$seed,[$\backslash$\$w \&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. \\ \hline - +\&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   \\ +\hline \&open\_date(), \&due\_date(), \&answer\_date() & Problem open date, due date and answer date. The time is also included in 24-hr format. \\ \hline