diff --git a/src/calc/entries/matrix.rs b/src/calc/entries/matrix.rs
index 0eda68f..7cf6173 100644
--- a/src/calc/entries/matrix.rs
+++ b/src/calc/entries/matrix.rs
@@ -1,11 +1,8 @@
 use super::{Entry, Number, Vector, VectorDirection};
-use crate::{
-    calc::{
-        errors::{CalculatorError, CalculatorResult},
-        types::CalculatorAngleMode,
-        CalculatorDisplayMode,
-    },
-    CalculatorEntry,
+use crate::calc::{
+    entries::CalculatorEntry,
+    errors::{CalculatorError, CalculatorResult},
+    types::{CalculatorAngleMode, CalculatorDisplayMode},
 };
 use serde::{Deserialize, Serialize};
 use std::fmt;
diff --git a/src/calc/entries/number.rs b/src/calc/entries/number.rs
index 586f8d5..d2eaca3 100644
--- a/src/calc/entries/number.rs
+++ b/src/calc/entries/number.rs
@@ -1,11 +1,8 @@
 use super::{Entry, Matrix, Vector};
-use crate::{
-    calc::{
-        errors::{CalculatorError, CalculatorResult},
-        types::CalculatorAngleMode,
-        CalculatorDisplayMode,
-    },
-    CalculatorEntry,
+use crate::calc::{
+    entries::CalculatorEntry,
+    errors::{CalculatorError, CalculatorResult},
+    types::{CalculatorAngleMode, CalculatorDisplayMode},
 };
 use serde::{Deserialize, Serialize};
 use std::fmt;
diff --git a/src/calc/entries/vector.rs b/src/calc/entries/vector.rs
index 1f3fb40..6f01110 100644
--- a/src/calc/entries/vector.rs
+++ b/src/calc/entries/vector.rs
@@ -1,11 +1,8 @@
 use super::{Entry, Matrix, Number};
-use crate::{
-    calc::{
-        errors::{CalculatorError, CalculatorResult},
-        types::CalculatorAngleMode,
-        CalculatorDisplayMode,
-    },
-    CalculatorEntry,
+use crate::calc::{
+    entries::CalculatorEntry,
+    errors::{CalculatorError, CalculatorResult},
+    types::{CalculatorAngleMode, CalculatorDisplayMode},
 };
 use serde::{Deserialize, Serialize};
 use std::fmt;
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..374e645
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,2 @@
+pub mod calc;
+pub mod event;