diff --git a/aern2-real.cabal b/aern2-real.cabal
--- a/aern2-real.cabal
+++ b/aern2-real.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           aern2-real
-version:        0.2.9.1
+version:        0.2.9.2
 synopsis:       Real numbers as convergent sequences of intervals
 description:    Please see the README on GitHub at <https://github.com/michalkonecny/aern2/#readme>
 category:       Math
diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,7 @@
 # Change log for aern2-real
 
+* v 0.2.9.2 2022-08-19
+  * add to RealNumber: HasIfThenElse for its SelectType
 * v 0.2.9 2022-07-13 (update in aern2-mp)
 * v 0.2.8 2021-08-04
   * compatibility with ghc 9.0.1
diff --git a/src/AERN2/Real.hs b/src/AERN2/Real.hs
--- a/src/AERN2/Real.hs
+++ b/src/AERN2/Real.hs
@@ -56,6 +56,7 @@
     , HasLimits Integer r
     , HasLimits Rational r
     , CanSelect (OrderCompareType r r)
+    , HasIfThenElseSameType (SelectType (OrderCompareType r r)) r
     , (CanTestCertainly (SelectType (OrderCompareType r r))))
     => 
     RealNumber r
