Added EMICaluclator and AlphanetTraingle programs

c_programs/AlphabetTriangle.c

@@ -0,0 +1,27 @@
+#include<stdio.h>    
+#include<stdlib.h>  
+/*
+     A                                                                                                                                                        
+    ABA                                                                                                                                                       
+   ABCBA                                                                                                                                                      
+  ABCDCBA                                                                                                                                                     
+ ABCDEDCBA 
+
+*/
+int main(){  
+  int ch=65;    
+    int i,j,k,m;    
+    for(i=1;i<=5;i++)    
+    {    
+        for(j=5;j>=i;j--)    
+            printf(" ");    
+        for(k=1;k<=i;k++)    
+            printf("%c",ch++);    
+            ch--;    
+        for(m=1;m<i;m++)    
+            printf("%c",--ch);    
+        printf("\n");    
+        ch=65;    
+    }    
+return 0;  
+} 

c_programs/SimpleEMICalculator.c

@@ -0,0 +1,25 @@
+#include <stdio.h>
+#include <math.h>
+
+int main() 
+{
+    float principal, rate, time, emi;
+
+    printf("Enter principal amount: ");
+    scanf("%f",&principal);
+
+    printf("Enter rate of interest: ");
+    scanf("%f",&rate);
+
+    printf("Enter time in years: ");
+    scanf("%f",&time);
+
+    rate=rate/(12*100); /*one month interest*/
+    time=time*12; /*one month period*/
+
+    emi= (principal*rate*pow(1+rate,time))/(pow(1+rate,time)-1);
+
+    printf("Monthly EMI is= %f\n",emi);
+
+    return 0;
+}