diff --git a/formulas.h b/formulas.h
new file mode 100644
index 0000000..f4ab27e
--- /dev/null
+++ b/formulas.h
@@ -0,0 +1,40 @@
+#include <stdio.h>
+#include <math.h>
+
+double exponent(double par)
+{
+    double raisedNum;
+    raisedNum = par * par;
+
+    return raisedNum;
+};
+
+double hypotenuse(double par, double par2)
+{
+
+    double sideC;
+    sideC = sqrt(exponent(par) + exponent(par2));
+
+    return sideC;
+};
+
+void quadratic(double numA, double numB, double numC, double *awn1ptr, double *awn2ptr)
+{
+
+    double awn1 = (-numB) + sqrt(exponent(numB) - 4 * numA * numC);
+    double awn1F = awn1 / (2 * numA);
+    double awn2 = (-numB) - sqrt(exponent(numB) - 4 * numA * numC);
+    double awn2F = awn2 / (2 * numA);
+
+    *awn1ptr = awn1F;
+    *awn2ptr = awn2F;
+};
+
+double areaOfCircle(double radius)
+{
+
+    double area;
+    area = acos(-1) * exponent(radius);
+
+    return area;
+}
\ No newline at end of file
diff --git a/functions.h b/functions.h
deleted file mode 100644
index 9d1c489..0000000
--- a/functions.h
+++ /dev/null
@@ -1,121 +0,0 @@
-#include <math.h>
-#include <stdio.h>
-
-double exponent(double par)
-{
-    double raisedNum;
-    raisedNum = par * par;
-
-    return raisedNum;
-};
-
-double hypotenuse(double par, double par2)
-{
-
-    double sideC;
-    sideC = sqrt(exponent(par) + exponent(par2));
-
-    return sideC;
-};
-
-void quadratic(double numA, double numB, double numC, double *awn1ptr, double *awn2ptr)
-{
-
-    double awn1 = (-numB) + sqrt(exponent(numB) - 4 * numA * numC);
-    double awn1F = awn1 / (2 * numA);
-    double awn2 = (-numB) - sqrt(exponent(numB) - 4 * numA * numC);
-    double awn2F = awn2 / (2 * numA);
-
-    *awn1ptr = awn1F;
-    *awn2ptr = awn2F;
-};
-
-double areaOfCircle(double radius)
-{
-
-    double area;
-    area = acos(-1) * exponent(radius);
-
-    return area;
-}
-
-// int buildMatrix(int numRows, int numColumns)
-// {
-
-//     int matrix[numRows][numColumns];
-
-//     printf("\nEnter elements in matrix of size %dx%d \n", numRows, numColumns);
-
-//     for (int i = 0; i < numRows; i++)
-//     {
-//         for (int j = 0; j < numColumns; j++)
-//         {
-//             scanf("%d", &matrix[i][j]);
-//         }
-//     }
-
-//     printf("\nElements in matrix are: \n");
-//     for (int i = 0; i < numRows; i++)
-//     {
-//         for (int j = 0; j < numColumns; j++)
-//         {
-//             printf("%d ", matrix[i][j]);
-//         }
-//         printf("\n");
-//     }
-
-//     return 0;
-// }
-//TODO: rewrite matrix builder
-
-void printMatrix(int row, int col, int m[row][col])
-{
-    for (int i = 0; i < row; i++)
-    {
-        for (int j = 0; j < col; j++)
-        {
-            printf("%d ", m[row][col]);
-        }
-        printf("\n");
-    }
-    return;
-}
-
-void addMatrices(int r, int c, int m1[r][c], int m2[r][c], int mr[r][c])
-{
-        for (int i = 0; i < r; i++)
-        {
-                for (int j = 0; j < c; j++)
-                {
-                        mr[i][j] = m1[i][j] + m2[i][j];
-                }
-        }
-}
-
-int scalarMultiplication(int numRows, int numColumns, int scalar)
-{
-
-    int matrix[numRows][numColumns];
-
-    printf("\nEnter elements in matrix of size %dx%d \n", numRows, numColumns);
-
-    for (int i = 0; i < numRows; i++)
-    {
-        for (int j = 0; j < numColumns; j++)
-        {
-            scanf("%d", &matrix[i][j]);
-        }
-    }
-
-    printf("\nScaled matrix is: \n");
-    for (int i = 0; i < numRows; i++)
-    {
-        for (int j = 0; j < numColumns; j++)
-        {
-            printf("%d ", matrix[i][j]*scalar);
-        }
-        printf("\n");
-    }
-
-    return 0;
-}
\ No newline at end of file
diff --git a/matrices.h b/matrices.h
new file mode 100644
index 0000000..e8121bb
--- /dev/null
+++ b/matrices.h
@@ -0,0 +1,114 @@
+#include <stdio.h>
+
+int matrixAddition(int numRows, int numColumns)
+{
+
+    int matrix1[numRows][numColumns];
+    int matrix2[numRows][numColumns];
+
+    printf("\nEnter elements in the first matrix:\n");
+
+    for (int i = 0; i < numRows; i++)
+    {
+        for (int j = 0; j < numColumns; j++)
+        {
+            scanf("%d", &matrix1[i][j]);
+        }
+    }
+    printf("\nEnter elements in the second matrix:\n");
+
+    for (int i = 0; i < numRows; i++)
+    {
+        for (int j = 0; j < numColumns; j++)
+        {
+            scanf("%d", &matrix2[i][j]);
+        }
+    }
+
+    printf("\nFirst matrix is: \n");
+    for (int i = 0; i < numRows; i++)
+    {
+        for (int j = 0; j < numColumns; j++)
+        {
+            printf(" %d ", matrix1[i][j]);
+        }
+        printf("\n");
+    }
+    printf("\nSecond matrix is: \n");
+    for (int i = 0; i < numRows; i++)
+    {
+        for (int j = 0; j < numColumns; j++)
+        {
+            printf(" %d ", matrix2[i][j]);
+        }
+        printf("\n");
+    }
+
+    printf("\nSummed matrix is: \n");
+    for (int i = 0; i < numRows; i++)
+    {
+        for (int j = 0; j < numColumns; j++)
+        {
+            printf(" %d ", matrix1[i][j] + matrix2[i][j]);
+        }
+        printf("\n");
+    }
+
+    return 0;
+}
+
+int scalarMultiplication(int numRows, int numColumns, int scalar)
+{
+
+    int matrix[numRows][numColumns];
+
+    printf("\nEnter elements in matrix of size %dx %d \n", numRows, numColumns);
+
+    for (int i = 0; i < numRows; i++)
+    {
+        for (int j = 0; j < numColumns; j++)
+        {
+            scanf("%d", &matrix[i][j]);
+        }
+    }
+
+    printf("\nScaled matrix is: \n");
+    for (int i = 0; i < numRows; i++)
+    {
+        for (int j = 0; j < numColumns; j++)
+        {
+            printf(" %d ", matrix[i][j] * scalar);
+        }
+        printf("\n");
+    }
+
+    return 0;
+}
+
+// int buildMatrix(int numRows, int numColumns)
+// {
+
+//     int matrix[numRows][numColumns];
+
+//     printf("\nEnter elements in matrix of size %dx %d \n", numRows, numColumns);
+
+//     for (int i = 0; i < numRows; i++)
+//     {
+//         for (int j = 0; j < numColumns; j++)
+//         {
+//             scanf("%d", &matrix[i][j]);
+//         }
+//     }
+
+//     printf("\nElements in matrix are: \n");
+//     for (int i = 0; i < numRows; i++)
+//     {
+//         for (int j = 0; j < numColumns; j++)
+//         {
+//             printf(" %d ", matrix[i][j]);
+//         }
+//         printf("\n");
+//     }
+
+//     return 0;
+// }
\ No newline at end of file