diff --git a/code/__DEFINES/maths.dm b/code/__DEFINES/maths.dm
index ebe18022c0d..5ea91a648e9 100644
--- a/code/__DEFINES/maths.dm
+++ b/code/__DEFINES/maths.dm
@@ -115,14 +115,7 @@
 
 //A logarithm that converts an integer to a number scaled between 0 and 1 (can be tweaked to be higher).
 //Currently, this is used for hydroponics-produce sprite transforming, but could be useful for other transform functions.
-//Kept for documentation reasons
-///proc/TRANSFORMUSINGVARIABLE(input, inputmaximum, scaling_modifier = 0)
-//
-//		var/inputToDegrees = (input/inputmaximum)*180 //Converting from a 0 -> 100 scale to a 0 -> 180 scale. The 0 -> 180 scale corresponds to degrees
-//		var/size_factor = ((-cos(inputToDegrees) +1) /2) //returns a value from 0 to 1
-//
-//		return size_factor + scaling_modifier //scale mod of 0 results in a number from 0 to 1. A scale modifier of +0.5 returns 0.5 to 1.5
-#define TRANSFORM_USING_VARIABLE(input, max, scale) ( ((input/max)*180) + (-cos((input/max)*180)) )
+#define TRANSFORM_USING_VARIABLE(input, max) ( sin((90*input)/max)**2 )
 
 //converts a uniform distributed random number into a normal distributed one
 //since this method produces two random numbers, one is saved for subsequent calls
diff --git a/code/modules/hydroponics/grown.dm b/code/modules/hydroponics/grown.dm
index 7fcef32e879..df2b07113a8 100644
--- a/code/modules/hydroponics/grown.dm
+++ b/code/modules/hydroponics/grown.dm
@@ -36,7 +36,7 @@
 		for(var/datum/plant_gene/trait/T in seed.genes)
 			T.on_new(src, loc)
 		seed.prepare_result(src)
-		transform *= TRANSFORM_USING_VARIABLE(seed.potency, 100, 0.5) //Makes the resulting produce's sprite larger or smaller based on potency!
+		transform *= TRANSFORM_USING_VARIABLE(seed.potency, 100) + 0.5 //Makes the resulting produce's sprite larger or smaller based on potency!
 		add_juice()
 
 
diff --git a/code/modules/hydroponics/growninedible.dm b/code/modules/hydroponics/growninedible.dm
index 8c90f647714..b0bd44ac8ae 100644
--- a/code/modules/hydroponics/growninedible.dm
+++ b/code/modules/hydroponics/growninedible.dm
@@ -28,7 +28,7 @@
 
 		if(istype(src, seed.product)) // no adding reagents if it is just a trash item
 			seed.prepare_result(src)
-		transform *= TRANSFORM_USING_VARIABLE(seed.potency, 100, 0.5)
+		transform *= TRANSFORM_USING_VARIABLE(seed.potency, 100) + 0.5
 		add_juice()