.gitignore

@@ -51,5 +51,5 @@ Module.symvers
 Mkfile.old
 dkms.conf
 
-# random shit
+# random shit I test
 test.c

README.md

@@ -13,10 +13,7 @@ My goal for this project is to write an open sourced mathmatical library for C a
 ## List of calculators
 
 - Hypotenuse calculator (a²+b²=c²)
-- Circumference of a Circle
 - Area of a circle (πr²)
-- Area of a Triangle
-- Area of a Rectangle
 - Matrix arithmetics (2-D arrays)
     - Determinant of 2*2 matrix
     - Scalar multiplication
@@ -30,3 +27,12 @@ My goal for this project is to write an open sourced mathmatical library for C a
     - Matrix multiplication
     - Determinant of n*n matrix
     - Matrix support for none integer numbers
+- Derivative
+- Integral
+- Area
+    - Area of a triangle
+    - Area of a quadralateral
+- Peremeter
+    - Peremeter of a triangle
+    - Peremeter of a quadralateral
+    - Circumference of a circle

formulas.h

@@ -29,19 +29,4 @@ double areaOfCircle(double radius)
     area = acos(-1) * pow(radius, 2);
 
     return area;
-};
+}
-
-double areaOfTriangle(double height, double base)
-{
-    return (height * base)*(1.0/2.0);
-};
-
-double areaOfRectangle(double height, double base)
-{
-    return (height * base);
-};
-
-double circumferenceOfCircle(double radius)
-{
-    return (2 * acos(-1) * radius);
-};

main.c

@@ -18,9 +18,6 @@ int main()
     printf("\n  6. * Matrix multiplication *");
     printf("\n  7. Scalar matrix multiplication");
     printf("\n  8. Exponent");
-    printf("\n  9. Area of Triangle");
-    printf("\n  10. Area of Rectangle");
-    printf("\n  11. Circumference of Circle");
 
     printf("\n\n * Stared entries are not fully programmed.");
     printf("\n Enter your choice here:_____");
@@ -121,13 +118,13 @@ int main()
 
         int numRows;
         int numColumns;
-        double scalar;
+        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("%lf", &scalar);
+        scanf("%d", &scalar);
 
         scalarMultiplication(numRows, numColumns, scalar);
 
@@ -136,7 +133,8 @@ int main()
 
         system("clear");
         printf("\n ~~ Exponenet ~~\n\n");
-        double base, exp;
+        double base;
+        double exp;
         printf("\nPlease enter the base: ");
         scanf("%lf", &base);
         printf("\nPlease enter the exponent: ");
@@ -146,43 +144,6 @@ int main()
 
         break;
 
-    case 9:
-        system("clear");
-        printf("\n ~~ Area of Triangle ~~\n\n");
-        double triBase, triHeight;
-        printf("\nPlease enter the base: ");
-        scanf("%lf", &triBase);
-        printf("\nPlease enter the height: ");
-        scanf("%lf", &triHeight);
-        double triArea = areaOfTriangle(triHeight, triBase);
-        printf("The area of triangle is %lf.\n", triArea);
-
-        break;
-
-    case 10:
-        system("clear");
-        printf("\n ~~ Area of Rectangle ~~\n\n");
-        double recBase, recHeight;
-        printf("\nPlease enter the base: ");
-        scanf("%lf", &recBase);
-        printf("\nPlease enter the height: ");
-        scanf("%lf", &recHeight);
-        double recArea = areaOfRectangle(recHeight, recBase);
-        printf("The area of rectangle is %lf.\n", recArea);
-
-        break;
-        
-    case 11:
-        system("clear");
-        printf("\n ~~ Circumference of a Circle ~~\n\n");
-        double  cirRadius;
-        printf("\nPlease enter the radius: ");
-        scanf("%lf", &cirRadius);
-        double circumference = circumferenceOfCircle(cirRadius);
-        printf("The circumference is %lf.\n", circumference);
-
-        break;
-
     default:
         printf("\n Incorrect input, try again.\n");
     };

makefile

@@ -1,2 +0,0 @@
-all:
-	gcc main.c -lm -o "cli-calc.o"

matrices.h

@@ -57,9 +57,9 @@ int matrixAddition(int numRows, int numColumns)
     return 0;
 }
 
-int scalarMultiplication(int numRows, int numColumns, double scalar)
+int scalarMultiplication(int numRows, int numColumns, int scalar)
 {
-    double matrix[numRows][numColumns];
+    int matrix[numRows][numColumns];
 
     printf("\nEnter elements in matrix of size %d*%d! \n", numRows, numColumns);
 
@@ -67,7 +67,7 @@ int scalarMultiplication(int numRows, int numColumns, double scalar)
     {
         for (int j = 0; j < numColumns; j++)
         {
-            scanf("%lf", &matrix[i][j]);
+            scanf("%d", &matrix[i][j]);
         }
     }
 
@@ -76,7 +76,7 @@ int scalarMultiplication(int numRows, int numColumns, double scalar)
     {
         for (int j = 0; j < numColumns; j++)
         {
-            printf(" %lf ", matrix[i][j] * scalar);
+            printf(" %d ", matrix[i][j] * scalar);
         }
         printf("\n");
     }