diff --git a/functions/additional.function b/functions/additional.function
index a814385..7589323 100644
--- a/functions/additional.function
+++ b/functions/additional.function
@@ -648,6 +648,17 @@ HAMRS() {
 	sudo mv $HOME/Downloads/hamrs-logo.png /usr/share/pixmaps/hamrs-logo.png
 }
 
+##################################
+#	Grid-Calc
+##################################
+GRIDCALC(){
+	sudo apt install -y wwl bc
+	cd $HOME/bin
+	wget https://raw.githubusercontent.com/km4ack/pi-scripts/master/grid-calc
+	chmod +x $HOME/bin/grid-calc
+	$HOME/bin/grid-calc
+}
+
 ##################################
 #	JTDX
 ##################################