diff --git a/src/current/include/calc-display.xsl b/src/current/include/calc-display.xsl
index 9a0038b1..ca996b2b 100644
--- a/src/current/include/calc-display.xsl
+++ b/src/current/include/calc-display.xsl
@@ -166,9 +166,9 @@
- ^{\grave\#
+ ^{|
- }
+ |-1}
@@ -695,9 +695,9 @@
- \#\left(
+ |\left(
- \right)
+ \right)|
diff --git a/src/current/summary.xsl b/src/current/summary.xsl
index 330efd1d..2aca8ceb 100644
--- a/src/current/summary.xsl
+++ b/src/current/summary.xsl
@@ -2113,7 +2113,7 @@
Counting Vectors
- Let \(\#V\) = the number of values within the vector \(V\); this notation is
+ Let \(|V|\) = the number of values within the vector \(V\); this notation is
used within certain summations. You may also see the following notations:
@@ -2123,7 +2123,7 @@
count the number of swimming pools).
-
- \(\sum_{k=0}^{\#V-1} 1\) to count the number of values in vector \(V\).
+ \(\sum_{k=0}^{|V|-1} 1\) to count the number of values in vector \(V\).