diff --git a/src/components/PlotSetup.vue b/src/components/PlotSetup.vue
index 8bd97a6..e6e35cc 100644
--- a/src/components/PlotSetup.vue
+++ b/src/components/PlotSetup.vue
@@ -82,7 +82,9 @@ export default {
         additionalCompletionItems () {
             const additionalCompletionItems = [
                 'mag_heading_df(MAG[0],ATT)',
-                'mag_heading(RAW_IMU,ATTITUDE)'
+                'mag_heading(RAW_IMU,ATTITUDE)',
+                'max(x,y)',
+                'min(x,y)'
             ]
             for (const name of this.state.namedFloats) {
                 additionalCompletionItems.push(`named(NAMED_VALUE_FLOAT,"${name}")`)
diff --git a/src/mavextra/mymavextra.js b/src/mavextra/mymavextra.js
index 9c1e67b..fe49af4 100644
--- a/src/mavextra/mymavextra.js
+++ b/src/mavextra/mymavextra.js
@@ -19,3 +19,6 @@ window.angle_diff = (angle1, angle2) => {
     }
     return ret
 }
+
+window.min = Math.min
+window.max = Math.max