diff --git a/subprojects/bahaghari/lib/math.nix b/subprojects/bahaghari/lib/math.nix
index 8c7b5d1b..15dd7c6b 100644
--- a/subprojects/bahaghari/lib/math.nix
+++ b/subprojects/bahaghari/lib/math.nix
@@ -137,6 +137,20 @@ rec {
   isWithinRange = min: max: number:
     (lib.max number min) <= (lib.min number max);
 
+  /* Returns a boolean whether the given number is within the given (exclusive) range.
+
+     Type: isWithinRange :: Number -> Number -> Number -> Bool
+
+     Example:
+       isWithinRange 30 50 6
+       => false
+
+       isWithinRange 0 100 75
+       => true
+  */
+  isWithinRange' = min: max: number:
+    (lib.max number min) < (lib.min number max);
+
   /* Given a number, make it grow by given amount of percentage.
      A value of 100 should make the number doubled.
 
diff --git a/subprojects/bahaghari/tests/lib/math.nix b/subprojects/bahaghari/tests/lib/math.nix
index f3710deb..204ef06e 100644
--- a/subprojects/bahaghari/tests/lib/math.nix
+++ b/subprojects/bahaghari/tests/lib/math.nix
@@ -157,6 +157,21 @@ lib.runTests {
     expected = false;
   };
 
+  testMathWithinRangeExclusive = {
+    expr = self.math.isWithinRange' 5 10 (-5);
+    expected = false;
+  };
+
+  testMathWithinRangeExclusive2 = {
+    expr = self.math.isWithinRange' 5 10 10;
+    expected = false;
+  };
+
+  testMathWithinRangeExclusive3 = {
+    expr = self.math.isWithinRange' (-100) 100 750;
+    expected = false;
+  };
+
   testMathFactorial = {
     expr = self.math.factorial 3;
     expected = 6;