diff --git a/language.version b/language.version
index a8ded76ae..84f721fb8 100644
--- a/language.version
+++ b/language.version
@@ -1,3 +1,3 @@
 [default]
-SWWM_MODVER="\cyDEMOLITIONIST \cw1.3pre r184 \cu(Sun 17 Jul 12:40:44 CEST 2022)\c-";
-SWWM_SHORTVER="\cw1.3pre r184 \cu(2022-07-17 12:40:44)\c-";
+SWWM_MODVER="\cyDEMOLITIONIST \cw1.3pre r185 \cu(Sun 17 Jul 12:42:31 CEST 2022)\c-";
+SWWM_SHORTVER="\cw1.3pre r185 \cu(2022-07-17 12:42:31)\c-";
diff --git a/zscript/utility/swwm_utility.zsc b/zscript/utility/swwm_utility.zsc
index e985d998e..85005ab1d 100644
--- a/zscript/utility/swwm_utility.zsc
+++ b/zscript/utility/swwm_utility.zsc
@@ -340,6 +340,24 @@ Class SWWMUtility
 		}
 	}
 
+	// "fast" exponentiation with integer exponents using loops
+	static clearscope double IntPowF( double base, int exp )
+	{
+		if ( exp < 0 ) return 1./IntPowF(base,-exp);
+		if ( exp == 0 ) return 1.;
+		double rslt = base;
+		for ( int i=0; i<exp; i++ ) rslt *= base;
+		return rslt;
+	}
+	static clearscope int IntPow( int base, int exp )
+	{
+		if ( exp < 0 ) return int(1./IntPow(base,-exp));
+		if ( exp == 0 ) return 1;
+		int rslt = base;
+		for ( int i=0; i<exp; i++ ) rslt *= base;
+		return rslt;
+	}
+
 	static clearscope String SuperscriptNum( int val )
 	{
 		// unicode is fun
@@ -348,7 +366,7 @@ Class SWWMUtility
 		int digits = int(Log10(val));
 		for ( int i=digits; i>=0; i-- )
 		{
-			int d = int(val/(10**i))%10;
+			int d = int(val/IntPow(10,i))%10;
 			str.AppendCharacter(digs[d]);
 		}
 		return str;
@@ -578,13 +596,13 @@ Class SWWMUtility
 		Vector3 amin = ap+(-a.radius,-a.radius,0),
 			amax = ap+(a.radius,a.radius,a.height);
 		double distsq = 0.;
-		if ( p.x < amin.x ) distsq += (amin.x-p.x)**2;
-		if ( p.x > amax.x ) distsq += (p.x-amax.x)**2;
-		if ( p.y < amin.y ) distsq += (amin.y-p.y)**2;
-		if ( p.y > amax.y ) distsq += (p.y-amax.y)**2;
-		if ( p.z < amin.z ) distsq += (amin.z-p.z)**2;
-		if ( p.z > amax.z ) distsq += (p.z-amax.z)**2;
-		return (distsq <= (radius**2));
+		if ( p.x < amin.x ) distsq += (amin.x-p.x)*(amin.x-p.x);
+		if ( p.x > amax.x ) distsq += (p.x-amax.x)*(p.x-amax.x);
+		if ( p.y < amin.y ) distsq += (amin.y-p.y)*(amin.y-p.y);
+		if ( p.y > amax.y ) distsq += (p.y-amax.y)*(p.y-amax.y);
+		if ( p.z < amin.z ) distsq += (amin.z-p.z)*(amin.z-p.z);
+		if ( p.z > amax.z ) distsq += (p.z-amax.z)*(p.z-amax.z);
+		return (distsq <= (radius*radius));
 	}
 
 	// Liang-Barsky line clipping