diff --git a/bedstead.c b/bedstead.c
index 66d429f..0758e65 100644
--- a/bedstead.c
+++ b/bedstead.c
@@ -1836,6 +1836,8 @@ static struct glyph {
  {{000,016,025,037,021,016,000,000,000}, U(29BA) }, /* circled horiz up */
 
  /* Supplemental mathematical operators */
+ {{016,021,021,021,025,021,021,021,016}, U(2A00) }, /* n-ary circled dot */
+ {{016,021,025,025,037,025,025,021,016}, U(2A01) }, /* n-ary circled plus */
  {{004,004,037,004,004,000,004,000,000}, U(2A25) }, /* plus dot */
  {{000,000,000,037,000,004,000,000,000}, U(2A2A) }, /* minus dot */
  {{000,020,000,037,000,001,000,000,000}, U(2A2B) }, /* minus falling dots */