diff --git a/ESP32-S3-Analog/ESP32-S3-Analog.ino b/ESP32-S3-Analog/ESP32-S3-Analog.ino
index dba175e..90b77a2 100644
--- a/ESP32-S3-Analog/ESP32-S3-Analog.ino
+++ b/ESP32-S3-Analog/ESP32-S3-Analog.ino
@@ -113,7 +113,7 @@ void setup() {
 }
 
 void loop() {
-    
+
     for (byte p = 0; p < PLAYERS; p++) {
 
         for (byte i = 0; i < CHANNELS; i++) {
@@ -126,7 +126,11 @@ void loop() {
             }
             lastPower[p][i] = power[p][i];
 #else
-            float v = pow(5.0, sensitivities[p][i] / 2048.0 - 1) * power[p][i];
+            float x = sensitivities[p][i] / 2048.0 - 1;
+            float x2 = x * x;
+            float x3 = x2 * x;
+            float x4 = x3 * x;
+            float v = 1.0 + x + 0.5 * x2 + 0.166667 * x3;
             axisValues[p][i] = AXIS_RANGE * (v >= MAX_THRES ? 1 : (v / MAX_THRES));
 #endif
         }