diff --git a/README.md b/README.md
index 42d3b14..ec773e9 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,9 @@
 # log
 
+## test $TeX$
+
+$ax^2+bx+c$
+
+## high school math resources
+
+https://www.geogebra.org/m/dyetmjzr