Merge pull request #2667 from edx/fix/ichuang/infinity

add infinity symbol to calc preview
2014-03-11 22:10:35 -04:00
parent 28bdb0bb3e 79650f5538
commit 21ac2e4cc9
1 changed files with 3 additions and 0 deletions
--- a/common/lib/calc/calc/preview.py
+++ b/common/lib/calc/calc/preview.py
@@ -119,6 +119,9 @@ def enrich_varname(varname):
    # add hbar for QM
    greek.append('hbar')

+    # add infinity
+    greek.append('infty')
+
    if varname in greek:
        return ur"\{letter}".format(letter=varname)
    else: