--- loncom/html/adm/help/tex/all_functions_table.tex	2007/09/11 21:53:41	1.8
+++ loncom/html/adm/help/tex/all_functions_table.tex	2014/06/16 16:52:54	1.15
@@ -49,8 +49,11 @@ Option 4 - @all = \&languages($\backslas
  \hline 
 roundto(x,n) &\&roundto(\$x,\$n) &Rounds a real number to n decimal points. \$x and \$n can be pure numbers &  \\
  \hline
-&\&cas(\$s,\$e)&Evaluates the expression \$e inside the symbolic algebra system \$s. Currently, only the Maxima
-symbolic math system is implemented. Example: \&cas('maxima','6*7')&\\ \hline 
+&\&cas(\$s,\$e,\$l)&Evaluates the expression \$e inside the symbolic algebra system \$s. Currently, only the Maxima
+symbolic math system is implemented. \$l is an optional comma-separated list of libraries. Example: \&cas('maxima','6*7')&\\
+ \hline
+Not in CAPA&\&implicit\_multiplication(\$f)&Adds mathematical multiplication operators to the formula expression \$f where only implicit multiplication is used. Example: \&implicit\_multiplication('2(b+3c)') returns 2*(b+3*c)&\\
+ \hline
 web(``a'',''b'',''c'') or web(a,b,c) &\&web(``a'',''b'',''c'') or \&web(\$a,\$b,\$c) &Returns either a, b or c depending on the output medium. a is for plain ASCII, b for tex output and c for html output &  \\
  \hline 
 html(``a'') or html(a) &\&html(``a'') or \&html(\$a) &Output only if the output mode chosen is in html format &  \\
@@ -93,14 +96,22 @@ var\_in\_tex(a) &\&var\_in\_tex(\$a) &Eq
  \hline 
 to\_string(x), to\_string(x,y) &\&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. &  \\
  \hline 
-capa\_id(), class(), section(), set(), problem() &\&class(), \&section() &Returns null string, class descriptive name, section number, set number and null string. &capa\_id(), set() and problem() are no longer used. Currently, they return a null value. \\
+capa\_id(), class(), section(), set(), problem() &\&class(), \&sec() &Returns null string, class descriptive name, section number, set number and null string. &capa\_id(), set() and problem() are no longer used. Currently, they return a null value. \\
  \hline 
 name(), student\_number() &\&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 
 NOT IMPLEMENTED IN CAPA &\&check\_status(\$partid) &Returns a number identifying 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 unspecified, 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 attempted and wrong but still has tries, 1 means it is marked correct, 2 means the user has exceeded the maximum number of tries, and 3 means it is after the answer date &  \\
  \hline 
-open\_date(), due\_date(), answer\_date() &\&open\_date(), \&due\_date(), \&answer\_date() &Problem open date, due date and answer date. The time is also included in 24-hr format. &Output format for time is changed slightly. If pass noon, it displays ..pm else it displays ..am. So 23:59 is displayed as 11:59 pm. \\
- \hline 
+open\_date(), due\_date(), answer\_date() &\&open\_date(\$partid), \&due\_date(\$partid), \&answer\_date(\$partid) &Problem open date, due date and answer date. The time is also included in 24-hr format. &Output format for time is changed slightly. If pass noon, it displays ..pm else it displays ..am. So 23:59 is displayed as 11:59 pm. \\
+ \hline
+&\&open\_date\_epoch(\$partid), \&due\_date\_epoch(\$partid), \&answer\_date\_epoch(\$partid) &Problem open date, due date and answer date in seconds after the epoch. These numbers can be used in calculations.&\\
+\hline
+&\&submission(\$partid,\$responseid,\$version,\$encode) & Returns what the student submitted for response \$responseid in part \$part. You can get these IDs from the XML-code of the problem. Use 0 as \$partid for problems without parts. \$version is optional and returns the \$version-th submission of the student that was graded. If \$version is 0 or ommitted, the latest submission is returned.
+\$encode is also optional and allows the author to explicitly encode the returned string. It's up to the author to take care of properly escaping all characters which might be interpreted by the browser.&\\
+\hline
+
+&\&currentpart() & Returns the ID of the current part.&\\ \hline
+ 
 get\_seed(), set\_seed() &Not implemented &Get and set the random seed. &  \\
  \hline 
 sub\_string(a,b,c) &\&sub\_string(\$a,\$b,\$c)