diff --git a/src/,,config_generic.s b/src/,,config_generic.s
index 46d8fbfd..ef1cd7e1 100644
--- a/src/,,config_generic.s
+++ b/src/,,config_generic.s
@@ -103,6 +103,11 @@
 ;; #CONFIG# BCD_SAFE_INTERRUPTS        YES
 
 
+; --- BASIC features
+
+;; #CONFIG# TRANSCENDENTAL_FUNCTIONS   NO
+
+
 ; --- Eye candy
 
 ;; #CONFIG# COLORS_BRAND               YES
diff --git a/src/,,config_generic_crt.s b/src/,,config_generic_crt.s
index c50faf6d..d9bea282 100644
--- a/src/,,config_generic_crt.s
+++ b/src/,,config_generic_crt.s
@@ -118,6 +118,11 @@
 ;; #CONFIG# SHOW_FEATURES              YES
 
 
+; --- BASIC features
+
+;; #CONFIG# TRANSCENDENTAL_FUNCTIONS   YES
+
+
 ; --- Debug options
 
 ;; #CONFIG# DBG_STUBS_BRK              NO
diff --git a/src/,,config_mega65.s b/src/,,config_mega65.s
index d9f34a9d..e892bf5a 100644
--- a/src/,,config_mega65.s
+++ b/src/,,config_mega65.s
@@ -90,7 +90,7 @@
 
 ; --- BASIC features
 
-;; #CONFIG# TRANSCENDENTAL_FUNCTIONS   NO
+;; #CONFIG# TRANSCENDENTAL_FUNCTIONS   YES
 
 
 ; --- Built-in DOS configuration