diff --git a/HISTORY.md b/HISTORY.md
index d2155531..fa180de5 100755
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -54,6 +54,8 @@
 * Threads: changed microphone volume (back) to a scale of 0-100
 * Threads, Objects: added "play frequency" primitive to "Sound" category
 * updated German translation for "play frequency" primitive
+* Objects, Threads: added "^" reporter (power of) in the Operators category
+* Objects: updated relabel-dictionary
 
 ### 2019-03-11
 * added note / hz conversion blocks to audioComp library
diff --git a/src/objects.js b/src/objects.js
index 2173b8b3..3ccfd7ea 100644
--- a/src/objects.js
+++ b/src/objects.js
@@ -1373,10 +1373,18 @@ SpriteMorph.prototype.blockAlternatives = {
     reportMouseY: ['reportMouseX'],
 
     // operators:
-    reportSum: ['reportDifference', 'reportProduct', 'reportQuotient'],
-    reportDifference: ['reportSum', 'reportProduct', 'reportQuotient'],
-    reportProduct: ['reportDifference', 'reportSum', 'reportQuotient'],
-    reportQuotient: ['reportDifference', 'reportProduct', 'reportSum'],
+    reportSum: ['reportDifference', 'reportProduct', 'reportQuotient',
+        'reportPower', 'reportModulus'],
+    reportDifference: ['reportSum', 'reportProduct', 'reportQuotient',
+        'reportPower', 'reportModulus'],
+    reportProduct: ['reportDifference', 'reportSum', 'reportQuotient',
+        'reportPower', 'reportModulus'],
+    reportQuotient: ['reportDifference', 'reportProduct', 'reportSum',
+        'reportPower', 'reportModulus'],
+    reportPower: ['reportDifference', 'reportProduct', 'reportSum',
+        'reportQuotient', 'reportModulus'],
+    reportModulus: ['reportDifference', 'reportProduct', 'reportSum',
+        'reportQuotient', 'reportPower'],
     reportLessThan: ['reportEquals', 'reportGreaterThan'],
     reportEquals: ['reportLessThan', 'reportGreaterThan'],
     reportGreaterThan: ['reportEquals', 'reportLessThan'],