diff --git a/misc/memory_get.m b/misc/memory_get.m
new file mode 100644
index 0000000..0d1bcc9
--- /dev/null
+++ b/misc/memory_get.m
@@ -0,0 +1,14 @@
+function [mem_total,mem_used,mem_available]=memory_get();
+mem_total=[];
+mem_used=[];
+mem_available=[];
+if isunix
+    [r,w] = unix('free | grep Mem');
+    ws=split(w);
+    mem_total=str2num(ws{2})/1e+6;
+    mem_used=str2num(ws{3})/1e+6;
+    mem_available=str2num(ws{4})/1e+6;
+else iswin==1
+    [USERVIEW, SYSTEMVIEW] = memory;
+    mem_total=USERVIEW.MaxPossibleArrayBytes/1024/1E+6;
+end
\ No newline at end of file
diff --git a/nscore.m b/nscore.m
index 1a341ef..0128b92 100644
--- a/nscore.m
+++ b/nscore.m
@@ -189,7 +189,7 @@
   xlabel('X');
   ylabel('CPDF')
   title('ORIG CDF')
-  legend('ORG+Head+Tail','ORIGINAL',4)
+  legend('ORG+Head+Tail','ORIGINAL')
 
 end