(calc-sum-rec): Fix the case where the lower limit is 0.

2 files changed, 6 insertions, 1 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index b56b402a6af..d84868c746c 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2006-01-20  Jay Belanger  <belanger@truman.edu>
+
+        * calc/calcalg2.el (calc-sum-rec): Fix the sum when the lower
+        limit is 0.
+
 2006-01-20  Carsten Dominik  <dominik@science.uva.nl>
 
         * textmodes/org.el: (org-open-at-point): Fixed bug with matching a
diff --git a/lisp/calc/calcalg2.el b/lisp/calc/calcalg2.el
index c0fa5310bf4..849ec42c5f6 100644
--- a/lisp/calc/calcalg2.el
+++ b/lisp/calc/calcalg2.el
@@ -2012,7 +2012,7 @@
                       n (1+ n)
                       t1 (cdr t1)))
               (setq n (math-build-polynomial-expr poly high))
-              (if (memq low '(0 1))
+              (if (= low 1)
                   n
                 (math-sub n (math-build-polynomial-expr poly
                                                         (math-sub low 1))))))