Update app.py

app.py

@@ -16,11 +16,11 @@ def predict_1(SOC: float):
     return prediction.round(2)
 
 def predict_2(Cy: float, SOC: float):
-    prediction = 2.03 − 0.008 * Cy − 0.008 * SOC
+    prediction = 2.03 - 0.008 * Cy - 0.008 * SOC
     return prediction.round(2)
 
 def predict_3(Cy: float, SOC: float):
-    prediction = 1.53 − 0.076 * SOC + 0.004 * Cy
+    prediction = 1.53 - 0.076 * SOC + 0.004 * Cy
     return prediction.round(2)
     
 def predict_4(pH: float, EC: float, CCE: float, SOC: float, Sa: float, Si: float,