diff --git a/baslib/math.go b/baslib/math.go
index 67f4b53..04f9b34 100644
--- a/baslib/math.go
+++ b/baslib/math.go
@@ -24,6 +24,6 @@ func Atn(x float64) float64 {
 	return math.Atan(x)
 }
 
-func Sqrt(v float64) float64 {
+func Sqr(v float64) float64 {
 	return math.Sqrt(v)
 }
diff --git a/node/exp.go b/node/exp.go
index ceab832..7227dc4 100644
--- a/node/exp.go
+++ b/node/exp.go
@@ -1542,7 +1542,7 @@ func (e *NodeExpSqr) String() string {
 // Exp returns value
 func (e *NodeExpSqr) Exp(options *BuildOptions) string {
 	//return "math.Sqrt(" + forceFloat(options, e.Value) + ")"
-	return "baslib.Sqrt(" + forceFloat(options, e.Value) + ")"
+	return "baslib.Sqr(" + forceFloat(options, e.Value) + ")"
 }
 
 // FindUsedVars finds used vars