diff --git a/math/.idea/misc.xml b/math/.idea/misc.xml
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+++ b/math/.idea/misc.xml
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diff --git a/math/.idea/modules.xml b/math/.idea/modules.xml
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diff --git a/math/.idea/workspace.xml b/math/.idea/workspace.xml
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+++ b/math/.idea/workspace.xml
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diff --git a/math/math.iml b/math/math.iml
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diff --git a/math/out/production/math/math.class b/math/out/production/math/math.class
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diff --git a/math/src/math.java b/math/src/math.java
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+++ b/math/src/math.java
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+public class math {
+
+
+ public static void main(String[] args)
+ {
+ System.out.println( ((5+4)-12) + " : " + subtract(add(5,4),12) );
+ System.out.println((5*4) + " : "+ multiply(5,4) );
+ System.out.println((20/4) + " : "+ divide(20,4) );
+ System.out.println((20%3) + " : "+ modulo(20,3) );
+ }
+
+ private static int add(int x, int y)
+ {
+ int result = 0;
+ for( int i=0; i < x; i = i + 1)
+ result = result + 1;
+
+ for( int i=1; i <= y; i= i + 1)
+ result = result + 1;
+
+ return result;
+ }
+
+ private static int subtract(int x, int y)
+ {
+ int result = add(x,0);
+
+ for( int i=0; i < y; i = i + 1)
+ result = result - 1;
+
+ return result;
+ }
+ private static int multiply(int x, int y)
+ {
+ int result =0;
+ for(int i=0; i= y; i++){
+ counter++;
+ result = result - y;}
+
+ return counter;
+
+ }
+ private static int modulo(int x, int y){
+
+ int result = x;
+ int counter = 0;
+ for (int i = 0; result >= y; i++){
+ counter++;
+ result = result - y;}
+
+ return result;
+
+
+ }
+
+
+
+
+}