4 files changed, 76 insertions, 0 deletions
diff --git a/1332/CH4/EX4.1/4_1.pdf b/1332/CH4/EX4.1/4_1.pdf
new file mode 100755
index 000000000..51e12ff00
--- /dev/null
+++ b/1332/CH4/EX4.1/4_1.pdf
diff --git a/1332/CH4/EX4.1/4_1.sce b/1332/CH4/EX4.1/4_1.sce
new file mode 100755
index 000000000..9c11c9e4c
--- /dev/null
+++ b/1332/CH4/EX4.1/4_1.sce
@@ -0,0 +1,11 @@
+//Example 4.1
+//Quadratic Equation
+//Page no. 96
+clc;clear;close;
+a=input("Enter value of a= ");
+b=input("Enter vlaue of b= ");
+c=input("Enter value of c= ");
+x1=(-1*b+sqrt((b^2)-4*a*c))/(2*a);    //1st root
+x2=(-1*b-sqrt((b^2)-4*a*c))/(2*a);    //2nd root
+printf('\n1st Root= %f', x1);
+printf('\n2nd Root= %f', x2);
+\ No newline at end of file
diff --git a/1332/CH4/EX4.2/4_2.PNG b/1332/CH4/EX4.2/4_2.PNG
new file mode 100755
index 000000000..65c176946
--- /dev/null
+++ b/1332/CH4/EX4.2/4_2.PNG
diff --git a/1332/CH4/EX4.2/4_2.sce b/1332/CH4/EX4.2/4_2.sce
new file mode 100755
index 000000000..91f5454f1
--- /dev/null
+++ b/1332/CH4/EX4.2/4_2.sce
@@ -0,0 +1,65 @@
+//Example 4.2
+//Database Management
+//Page no. 112
+clc;clear;close;
+M=[12,25,21,35;25,7,23,29;10,27,7,36;26,26,26,35;29,0,23,30];   //marks
+
+//calculation of composite score
+for i=1:5,
+    j=1;k=0;
+    max1=M(i,j);
+    if(max1<M(i,j+1))
+        max1=M(i,j+1)
+    else
+        k=1;
+    end,
+    
+        if(M(i,j+2)>M(i,j+k))
+        max2=M(i,j+2);
+    else
+        max2=M(i,j);
+    end,
+       CS(i,1)=max1+max2+M(i,4);
+end
+
+I=['Reg. No.','Name of Students','Test 1','Test 2','Test 3','Final';
+'CS/01','C.V.Rajan','12','25','21','35';
+'CS/02','B.X.Roy','25','07','23','29';
+'CS/03','P.C.Sasikumar','10','27','07','36';
+'CS/04','B.D.Box','26','26','26','35';
+'CS/05','K.K.Mukherjee','29','0','23','30';]
+printf('\n')
+for i=1:6
+    for j=1:6
+        if(j>2)
+                printf('\t')
+            end
+            
+        printf('%s  ',I(i,j));
+        if(i~=1)
+            if(j>2)
+                printf('\t')
+            end
+            printf('    ')
+            
+        end
+        if(i==1 & j==6)
+            printf('Composite Score\n')
+        end
+        
+    end
+    
+    if(i~=1)
+    printf('%i\n',CS(i-1,1));
+end
+
+end
+//disp(CS,'Composite Score',I);
+max1=CS(1,1);j=1;
+for i=2:5
+    if(max1<CS(i,1))
+        max1=CS(i,1);j=i;
+    end,
+end
+printf('\n\nTopper is:\n%s\t%s\t%s',I(1,1),I(1,2),'Composite Score')
+printf('\nCS/0%i\t\t%s\t\t\t%i',j,I(j+1,2),CS(j,1))