diff --git a/pages/common/bc.md b/pages/common/bc.md
index 0cc228f06b..487ec6301d 100644
--- a/pages/common/bc.md
+++ b/pages/common/bc.md
@@ -6,6 +6,10 @@
 
 `bc -i`
 
+- Run calculator in interactive mode with floating point support:
+
+`bc -l`
+
 - Calculate the result of an expression:
 
 `bc <<< "(1 + 2) * 2 ^ 2"`