diff --git a/src/Decimals.jl b/src/Decimals.jl
index 9709e76..10e3a2c 100644
--- a/src/Decimals.jl
+++ b/src/Decimals.jl
@@ -3,7 +3,7 @@
 # @author jack@tinybike.net (Jack Peterson), 7/3/2014
 
 module Decimals
-    import Base: ==, +, -, *, /, <, float, inv, round
+    import Base: ==, +, -, *, /, <, float, inv, round, trunc
 
     export Decimal,
            decimal,
diff --git a/src/round.jl b/src/round.jl
index c9f63b2..642485a 100644
--- a/src/round.jl
+++ b/src/round.jl
@@ -9,3 +9,14 @@ function round(x::Decimal; digits::Int=0, normal::Bool=false)
         (normal) ? d : normalize(d, rounded=true)
     end
 end
+
+function trunc(x::Decimal; digits::Int=0, normal::Bool=false)
+    shift = BigInt(digits) + x.q
+    if shift > BigInt(0) || shift < x.q
+        (normal) ? x : normalize(x, rounded=true)
+    else
+        c = Base.trunc(x.c / BigInt(10)^(-shift))
+        d = Decimal(x.s, BigInt(c), x.q - shift)
+        (normal) ? d : normalize(d, rounded=true)
+    end
+end
diff --git a/test/test_round.jl b/test/test_round.jl
index fa1577f..1cf0c16 100644
--- a/test/test_round.jl
+++ b/test/test_round.jl
@@ -11,6 +11,9 @@ using Test
 
 @test round.(Decimal.([0.1111, 0.2222, 0.8888]), digits=2) == Decimal.([0.11, 0.22, 0.89])
 
+@test trunc(Decimal(7.123456), digits=5) == Decimal(7.12345)
+
+
 function tet()
     a = parse(Decimal, "1.0000001")
     for i = 1:27