Add a remainder helper

lib/math.js

@@ -92,6 +92,18 @@ helpers.divide = function(a, b) {
   return Number(a) / Number(b);
 };
 
+/**
+ * Get the remainder when `a` is divided by `b`.
+ *
+ * @param {Number} `a` a
+ * @param {Number} `b` b
+ * @api public
+ */
+
+helpers.remainder = function(a, b) {
+  return a % b;
+};
+
 /**
  * Get the `Math.floor()` of the given value.
  *

test/math.js

@@ -54,6 +54,18 @@ describe('math', function() {
     });
   });
 
+  describe('remainder', function() {
+    it('should return the remainder of two numbers.', function() {
+      var fn = hbs.compile('{{remainder value 5}}');
+      assert.equal(fn({value: 7}), '2');
+    });
+
+    it('should take the sign of the dividend.', function() {
+      var fn = hbs.compile('{{remainder 5 -3}}');
+      assert.equal(fn(), '2');
+    });
+  });
+
   describe('round', function() {
     it('should return the value rounded to the nearest integer.', function() {
       var fn = hbs.compile('{{round value}}');