2 files changed, 2 insertions, 2 deletions
diff --git a/src/stdlib/reals.c b/src/stdlib/reals.c
index 40f4cf4c..aee39414 100644
--- a/src/stdlib/reals.c
+++ b/src/stdlib/reals.c
@@ -240,7 +240,7 @@ Real_t Real$divided_by(Real_t x, Real_t y) {
 }
 
 static Int_t Real$compute_sqrt(Real_t r, int64_t decimals) {
-    Real_t operand = &r->userdata.children[0];
+    Real_t operand = r->userdata.children;
     double d = Real$as_float64(operand);
     // TODO: newton's method to iterate
     return Int$from_float64(sqrt(d) * pow(10.0, (double)decimals), true);
diff --git a/src/stdlib/reals.h b/src/stdlib/reals.h
index 1d304aa5..8750fdbb 100644
--- a/src/stdlib/reals.h
+++ b/src/stdlib/reals.h
@@ -18,7 +18,7 @@ double Real$as_float64(Real_t x);
 Int_t Real$as_int(Real_t x);
 
 Real_t Real$negative(Real_t x);
-// Real_t Real$inverse(Real_t x);
+Real_t Real$sqrt(Real_t x);
 Real_t Real$plus(Real_t x, Real_t y);
 Real_t Real$minus(Real_t x, Real_t y);
 Real_t Real$times(Real_t x, Real_t y);