diff --git a/easing.lua b/easing.lua
index 31a4eae..4fadd3b 100644
--- a/easing.lua
+++ b/easing.lua
@@ -4,7 +4,8 @@ https://github.com/joshtynjala/gtween.lua
 Licensed under the MIT license.
 
 Easing functions adapted from Robert Penner's AS3 tweening equations.
-]]
+
+*09.12.2018 Modified by @Apollo14: replaced vanilla math functions with faster Gideros ^ operators ]]
 
 local backS = 1.70158
 easing = {};
@@ -12,15 +13,15 @@ easing.inBack = function(ratio)
 	return ratio*ratio*((backS+1)*ratio-backS)
 end
 easing.outBack = function(ratio)
-	ratio = ratio - 1
+	ratio-=1
 	return ratio*ratio*((backS+1)*ratio+backS)+1
 end
 easing.inOutBack = function(ratio)
-	ratio = ratio * 2
+	ratio*=2
 	if ratio < 1 then
 		return 0.5*(ratio*ratio*((backS*1.525+1)*ratio-backS*1.525))
 	else 
-		ratio = ratio - 2
+		ratio-=2
 		return 0.5*(ratio*ratio*((backS*1.525+1)*ratio+backS*1.525)+2)
 	end
 end
@@ -31,18 +32,18 @@ easing.outBounce = function(ratio)
 	if ratio < 1/2.75 then
 		return 7.5625*ratio*ratio
 	elseif ratio < 2/2.75 then
-		ratio = ratio - 1.5/2.75
+		ratio-=1.5/2.75
 		return 7.5625*ratio*ratio+0.75
 	elseif ratio < 2.5/2.75 then
-		ratio= ratio - 2.25/2.75
+		ratio-=2.25/2.75
 		return 7.5625*ratio*ratio+0.9375
 	else
-		ratio = ratio - 2.625/2.75
+		ratio-=2.625/2.75
 		return 7.5625*ratio*ratio+0.984375
 	end
 end
 easing.inOutBounce = function(ratio)
-	ratio = ratio * 2
+	ratio*=2
 	if ratio < 1 then 
 		return 0.5*easing.inBounce(ratio,0,0,0)
 	else
@@ -50,32 +51,32 @@ easing.inOutBounce = function(ratio)
 	end
 end
 easing.inCircular = function(ratio)
-	return -(math.sqrt(1-ratio*ratio)-1)
+	return -((1-ratio*ratio)^0.5-1)
 end
 easing.outCircular = function(ratio)
-	return math.sqrt(1-(ratio-1)*(ratio-1))
+	return (1-(ratio-1)*(ratio-1))^0.5
 end
 easing.inOutCircular = function(ratio)
-	ratio = ratio * 2
+	ratio*=2
 	if ratio < 1 then
-		return -0.5*(math.sqrt(1-ratio*ratio)-1)
+		return -0.5*((1-ratio*ratio)^0.5-1)
 	else
-		ratio = ratio - 2
-		return 0.5*(math.sqrt(1-ratio*ratio)+1)
+		ratio-=2
+		return 0.5*((1-ratio*ratio)^0.5+1)
 	end
 end
 easing.inCubic = function(ratio)
 	return ratio*ratio*ratio
 end
 easing.outCubic = function(ratio)
-	ratio = ratio - 1
+	ratio-=1
 	return ratio*ratio*ratio+1
 end
 easing.inOutCubic = function(ratio)
 	if ratio < 0.5 then
 		return 4*ratio*ratio*ratio
 	else
-		ratio = ratio - 1
+		ratio-=1
 		return 4*ratio*ratio*ratio+1
 	end
 end
@@ -86,14 +87,14 @@ easing.inElastic = function(ratio)
 	if ratio == 0 or ratio == 1 then
 		return ratio
 	end
-	ratio = ratio - 1
-	return -(elasticA * math.pow(2, 10 * ratio) * math.sin((ratio - elasticS) * (2 * math.pi) / elasticP));
+	ratio-=1
+	return -(elasticA * 2^(10 * ratio) * math.sin((ratio - elasticS) * (2 * math.pi) / elasticP));
 end
 easing.outElastic = function(ratio)
 	if ratio == 0 or ratio == 1 then
 		return ratio
 	end
-	return elasticA * math.pow(2, -10 * ratio) *  math.sin((ratio - elasticS) * (2 * math.pi) / elasticP) + 1;
+	return elasticA * 2^(-10 * ratio) *  math.sin((ratio - elasticS) * (2 * math.pi) / elasticP) + 1;
 end
 easing.inOutElastic = function(ratio)
 	if ratio == 0 or ratio == 1 then
@@ -101,21 +102,21 @@ easing.inOutElastic = function(ratio)
 	end
 	ratio = ratio*2-1
 	if ratio < 0 then
-		return -0.5 * (elasticA * math.pow(2, 10 * ratio) * math.sin((ratio - elasticS*1.5) * (2 * math.pi) /(elasticP*1.5)));
+		return -0.5 * (elasticA * 2^(10 * ratio) * math.sin((ratio - elasticS*1.5) * (2 * math.pi) /(elasticP*1.5)));
 	end
-	return 0.5 * elasticA * math.pow(2, -10 * ratio) * math.sin((ratio - elasticS*1.5) * (2 * math.pi) / (elasticP*1.5)) + 1;
+	return 0.5 * elasticA * 2^(-10 * ratio) * math.sin((ratio - elasticS*1.5) * (2 * math.pi) / (elasticP*1.5)) + 1;
 end
 easing.inExponential = function(ratio)
 	if ratio == 0 then
 		return 0
 	end
-	return math.pow(2, 10 * (ratio - 1))
+	return 2^(10 * (ratio - 1))
 end
 easing.outExponential = function(ratio)
 	if ratio == 1 then
 		return 1
 	end
-	return 1-math.pow(2, -10 * ratio)
+	return 1-2^(-10 * ratio)
 end
 easing.inOutExponential = function(ratio)
 	if ratio == 0 or ratio == 1 then 
@@ -123,9 +124,9 @@ easing.inOutExponential = function(ratio)
 	end
 	ratio = ratio*2-1
 	if 0 > ratio then
-		return 0.5*math.pow(2, 10*ratio)
+		return 0.5*2^(10 * ratio)
 	end
-	return 1-0.5*math.pow(2, -10*ratio)
+	return 1-0.5*2^(-10 * ratio)
 end
 easing.linear = function(ratio)
 	return ratio
@@ -146,28 +147,28 @@ easing.inQuartic = function(ratio)
 	return ratio*ratio*ratio*ratio
 end
 easing.outQuartic = function(ratio)
-	ratio = ratio - 1
+	ratio-=1
 	return 1-ratio*ratio*ratio*ratio
 end
 easing.inOutQuartic = function(ratio)
 	if ratio < 0.5 then
 		return 8*ratio*ratio*ratio*ratio
 	end
-	ratio = ratio - 1
+	ratio-=1
 	return -8*ratio*ratio*ratio*ratio+1
 end
 easing.inQuintic = function(ratio)
 	return ratio*ratio*ratio*ratio*ratio
 end
 easing.outQuintic = function(ratio)
-	ratio = ratio - 1
+	ratio-=1
 	return 1+ratio*ratio*ratio*ratio*ratio
 end
 easing.inOutQuintic = function(ratio)
 	if ratio < 0.5 then
 		return 16*ratio*ratio*ratio*ratio*ratio
 	end
-	ratio = ratio - 1
+	ratio-=1
 	return 16*ratio*ratio*ratio*ratio*ratio+1
 end
 easing.inSine = function(ratio)