package org.nwapw.abacus.number;

public interface Number {

    Number multiply(Number multiplier);
    Number divide(Number divisor);
    Number add(Number summand);
    Number subtract(Number subtrahend);
    Number negate();

}

@@ -25,17 +25,19 @@
 .number;
-%0A
+%0D%0A%0D
 %0Apublic 
@@ -54,17 +54,19 @@
 Number %7B
-%0A
+%0D%0A%0D
 %0A    Num
@@ -97,16 +97,17 @@
 iplier);
+%0D
 %0A    Num
@@ -133,16 +133,17 @@
 ivisor);
+%0D
 %0A    Num
@@ -162,24 +162,25 @@
 er summand);
+%0D
 %0A    Number 
@@ -207,16 +207,17 @@
 rahend);
+%0D
 %0A    Num
@@ -233,8 +233,11 @@
 e();
-%0A
+%0D%0A%0D
 %0A%7D
+%0D
 %0A

Add Number interface.