diff --git a/.gitignore b/.gitignore
index c6127b3..7c6c9f4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -50,3 +50,6 @@ modules.order
 Module.symvers
 Mkfile.old
 dkms.conf
+
+# random shit I test
+test.c
\ No newline at end of file
diff --git a/functions.h b/functions.h
index 87d9578..9d1c489 100644
--- a/functions.h
+++ b/functions.h
@@ -1,65 +1,121 @@
 #include <math.h>
 #include <stdio.h>
 
-double exponent( double par){
+double exponent(double par)
+{
     double raisedNum;
     raisedNum = par * par;
-    
+
     return raisedNum;
 };
 
-double hypotenuse(double par, double par2){
+double hypotenuse(double par, double par2)
+{
 
     double sideC;
-    sideC = sqrt( exponent(par) + exponent(par2) );
+    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);
+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 awn2 = (-numB) - sqrt(exponent(numB) - 4 * numA * numC);
     double awn2F = awn2 / (2 * numA);
 
     *awn1ptr = awn1F;
     *awn2ptr = awn2F;
 };
 
-double areaOfCircle(double radius){
-    
+double areaOfCircle(double radius)
+{
+
     double area;
     area = acos(-1) * exponent(radius);
-    
+
     return area;
 }
 
-int buildMatrix(int numRows, int numColumns)
+// 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 i = 0; i < numRows; i++)
     {
-        for(int j = 0; j < numColumns; j++)
+        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++)
+    printf("\nScaled matrix is: \n");
+    for (int i = 0; i < numRows; i++)
     {
-        for(int j = 0; j < numColumns; j++)
+        for (int j = 0; j < numColumns; j++)
         {
-            printf("%d ", matrix[i][j]);
+            printf("%d ", matrix[i][j]*scalar);
         }
         printf("\n");
     }
-    
-    return 0;
-}
 
+    return 0;
+}
\ No newline at end of file
diff --git a/main.c b/main.c
index 537c38e..06aa590 100644
--- a/main.c
+++ b/main.c
@@ -15,6 +15,8 @@ int main()
     printf("\n  4. Build a matrix");
     printf("\n  5. Matrix determinant");
     printf("\n  6. Matrix addition");
+    printf("\n  7. Matrix multiplication");
+    printf("\n  8. Scalar matrix multiplication");
     printf("\n\n Enter your choice here:_____");
     printf("\033[D");
     printf("\033[D");
@@ -80,22 +82,22 @@ int main()
     case 4:
 
         system("clear");
-        printf("\n ~~ Build a matrix ~~\n\n");
-        int numRows;
-        int numColumns;
-        printf("\nPlease enter the number of rows: ");
-        scanf("%d", &numRows);
-        printf("\nPlease enter the number of columns: ");
-        scanf("%d", &numColumns);
-        buildMatrix(numRows, numColumns);
+        // printf("\n ~~ Build a matrix ~~\n\n");
+        // int numRows;
+        // int numColumns;
+        // printf("\nPlease enter the number of rows: ");
+        // scanf("%d", &numRows);
+        // printf("\nPlease enter the number of columns: ");
+        // scanf("%d", &numColumns);
+        // buildMatrix(numRows, numColumns);
 
         break;
+        //TODO: replace this
 
     case 5:
 
         system("clear");
         printf("\n ~~ Matrix determinant ~~\n\n");
-       
 
         break;
 
@@ -103,7 +105,45 @@ int main()
 
         system("clear");
         printf("\n ~~ Matrix addition ~~\n\n");
-        
+        // int numRows;
+        // int numColumns;
+        // printf("\nPlease enter the number of rows: ");
+        // scanf("%d", &numRows);
+        // printf("\nPlease enter the number of columns: ");
+        // scanf("%d", &numColumns);
+
+        // printMatrix(numRows, numColumns, matrix1);
+        // printf("\n");
+        // printMatrix(numRows, numColumns, matrix2);
+        // printf("\n");
+
+        // addMatrices(numRows, numColumns, matrix1, matrix2, sumMatrix);
+
+        // printMatrix(numRows, numColumns, sumMatrix);
+
+        break;
+    case 7:
+
+        system("clear");
+        printf("\n ~~ Matrix multiplication ~~\n\n");
+
+        break;
+    case 8:
+
+        system("clear");
+        printf("\n ~~ Scalar matrix multiplication ~~\n\n");
+
+        int numRows;
+        int numColumns;
+        int scalar;
+        printf("\nPlease enter the number of rows: ");
+        scanf("%d", &numRows);
+        printf("\nPlease enter the number of columns: ");
+        scanf("%d", &numColumns);
+        printf("\nPlease enter the scalar multiplier: ");
+        scanf("%d", &scalar);
+
+        scalarMultiplication(numRows, numColumns, scalar);
 
         break;