diff --git a/src/lib.rs b/src/lib.rs
index 35ff003..76d9ac6 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -77,4 +77,8 @@ pub mod exp10;
 #[path = "math/exp10f.rs"]
 pub mod exp10f;
 #[path = "math/expf.rs"]
-pub mod expf;
\ No newline at end of file
+pub mod expf;
+#[path = "math/expm1.rs"]
+pub mod expm1;
+#[path = "math/expm1f.rs"]
+pub mod expm1f;
\ No newline at end of file
diff --git a/src/math/expm1.rs b/src/math/expm1.rs
new file mode 100644
index 0000000..84044cd
--- /dev/null
+++ b/src/math/expm1.rs
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: MPL-2.0
+/*
+ * File: src/math/expm1.rs
+ *
+ * The expm1 function.
+ *
+ * Author: HTG-YT
+ * Copyright (c) 2021 The LibM Team of the HaruxOS Project
+ */
+
+#[no_mangle]
+pub extern "C" fn expm1(x: f64) -> f64 {
+    libm::expm1(x)
+}
\ No newline at end of file
diff --git a/src/math/expm1f.rs b/src/math/expm1f.rs
new file mode 100644
index 0000000..03074a7
--- /dev/null
+++ b/src/math/expm1f.rs
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: MPL-2.0
+/*
+ * File: src/math/expm1f.rs
+ *
+ * The expm1f function.
+ *
+ * Author: HTG-YT
+ * Copyright (c) 2021 The LibM Team of the HaruxOS Project
+ */
+
+#[no_mangle]
+pub extern "C" fn expm1f(x: f32) -> f32 {
+    libm::expm1f(x)
+}
\ No newline at end of file