diff --git a/math/LGxY.raw b/math/LGxY.raw
new file mode 100644
index 0000000..a61c738
Binary files /dev/null and b/math/LGxY.raw differ
diff --git a/math/LGxY.txt b/math/LGxY.txt
new file mode 100644
index 0000000..4be8cb3
--- /dev/null
+++ b/math/LGxY.txt
@@ -0,0 +1,11 @@
+LBL "LGxY"
+X=0?
+RTNERR 5
+LN
+X<>Y
+X=0?
+RTNERR 5
+LN
+X<>Y
+÷
+END
diff --git a/math/x√y.raw b/math/x√y.raw
new file mode 100644
index 0000000..80b4651
Binary files /dev/null and b/math/x√y.raw differ
diff --git a/math/x√y.txt b/math/x√y.txt
new file mode 100644
index 0000000..c86be7f
--- /dev/null
+++ b/math/x√y.txt
@@ -0,0 +1,4 @@
+LBL "x√y"
+1/X
+Y↑X
+END