diff --git a/linalg/main.c b/linalg/main.c
index 6d6ef38..1d315c5 100644
--- a/linalg/main.c
+++ b/linalg/main.c
@@ -10,7 +10,7 @@
  */
 
 /**
- * @brief A 2×2 matrix stored in row-major order.
+ * @brief A 2x2 matrix stored in row-major order.
  *
  * The elements are laid out as:
  * [ arr[0] arr[1] ]
@@ -21,7 +21,7 @@ typedef struct Mat2 {
 } Mat2;
 
 /**
- * @brief A 3×3 matrix stored in row-major order.
+ * @brief A 3x3 matrix stored in row-major order.
  *
  * The elements are laid out as:
  * [ arr[0] arr[1] arr[2] ]
@@ -51,7 +51,7 @@ typedef struct Vec3 {
  *
  * @param a Pointer to the first vector.
  * @param b Pointer to the second vector.
- * @return The dot product (a • b).
+ * @return The dot product (a * b).
  */
 inline float vec3_dot(const Vec3 *a, const Vec3 *b);
 
@@ -60,7 +60,7 @@ inline float vec3_dot(const Vec3 *a, const Vec3 *b);
  *
  * @param a Pointer to the first vector.
  * @param b Pointer to the second vector.
- * @return The cross product vector (a × b).
+ * @return The cross product vector (a x b).
  */
 Vec3 vec3_cross(const Vec3 *a, const Vec3 *b);
 
@@ -96,7 +96,7 @@ Vec3 vec3_scale(const Vec3 *a, const float scalar);
  *
  * @param a Pointer to the first vector.
  * @param b Pointer to the second vector.
- * @return The dot product (a • b).
+ * @return The dot product (a * b).
  */
 inline float vec2_dot(const Vec2 *a, const Vec2 *b);
 
@@ -127,7 +127,7 @@ Vec2 vec2_add(const Vec2 *a, const Vec2 *b);
  */
 Vec2 vec2_scale(const Vec2 *a, const float scalar);
 /**
- * @brief Computes the determinant of a 2×2 matrix.
+ * @brief Computes the determinant of a 2x2 matrix.
  *
  * @param m Pointer to the matrix.
  * @return The determinant of the matrix.
@@ -135,7 +135,7 @@ Vec2 vec2_scale(const Vec2 *a, const float scalar);
 float mat2_det(const Mat2 *m);
 
 /**
- * @brief Computes the determinant of a 3×3 matrix (row-major order).
+ * @brief Computes the determinant of a 3x3 matrix (row-major order).
  *
  * @param m Pointer to the matrix.
  * @return The determinant of the matrix.
@@ -143,25 +143,25 @@ float mat2_det(const Mat2 *m);
 float mat3_det2(const Mat3 *m);
 
 /**
- * @brief Multiplies two 2×2 matrices (row-major order).
+ * @brief Multiplies two 2x2 matrices (row-major order).
  *
  * @param m1 Pointer to the first matrix.
  * @param m2 Pointer to the second matrix.
- * @return The resulting matrix product (m1 × m2).
+ * @return The resulting matrix product (m1 x m2).
  */
 Mat2 mat2_mul(const Mat2 *m1, const Mat2 *m2);
 
 /**
- * @brief Multiplies two 3×3 matrices (row-major order).
+ * @brief Multiplies two 3x3 matrices (row-major order).
  *
  * @param m1 Pointer to the first matrix.
  * @param m2 Pointer to the second matrix.
- * @return The resulting matrix product (m1 × m2).
+ * @return The resulting matrix product (m1 x m2).
  */
 Mat3 mat3_mul(const Mat3 *m1, const Mat3 *m2);
 
 /**
- * @brief Checks if two 2×2 matrices are approximately equal.
+ * @brief Checks if two 2x2 matrices are approximately equal.
  *
  * @param a Pointer to the first matrix.
  * @param b Pointer to the second matrix.
@@ -171,7 +171,7 @@ Mat3 mat3_mul(const Mat3 *m1, const Mat3 *m2);
 bool mat2_approx_eq(const Mat2 *a, const Mat2 *b, float epsilon);
 
 /**
- * @brief Checks if two 3×3 matrices are approximately equal.
+ * @brief Checks if two 3x3 matrices are approximately equal.
  *
  * @param a Pointer to the first matrix.
  * @param b Pointer to the second matrix.
@@ -181,7 +181,7 @@ bool mat2_approx_eq(const Mat2 *a, const Mat2 *b, float epsilon);
 bool mat3_approx_eq(const Mat3 *a, const Mat3 *b, float epsilon);
 
 /**
- * @brief Checks if two 3×3 vectors are approximately equal.
+ * @brief Checks if two 3x3 vectors are approximately equal.
  *
  * @param a Pointer to the first vector.
  * @param b Pointer to the second vector.