diff --git a/lib/options_library/option_calculator.rb b/lib/options_library/option_calculator.rb
index 6c3c07e..b7f967f 100644
--- a/lib/options_library/option_calculator.rb
+++ b/lib/options_library/option_calculator.rb
@@ -2,7 +2,7 @@
 # Since Feb 13, 2011
 # Based on Black-Scholes forumla for pricing options
 
-module Option
+module OptionLib
   class Calculator
 	class << self
       # used for finding implied vol based on a market (target) price
@@ -49,6 +49,7 @@ def vega( underlying, strike, time, interest, sigma, dividend )
 	
       # computes the fair value of the call based on the knowns and assumed volatility (sigma)
       def price_call( underlying, strike, time, interest, sigma, dividend )
+        return 0 if underlying== strike && time <= 0.00000
         d1 = d_one( underlying, strike, time, interest, sigma, dividend )
         discounted_underlying = exp(-1.0 * dividend * time) * underlying
         probability_weighted_value_of_being_exercised = discounted_underlying * norm_sdist( d1 )
@@ -62,6 +63,7 @@ def price_call( underlying, strike, time, interest, sigma, dividend )
 	
       # computes the fair value of the put based on the knowns and assumed volatility (sigma)
       def price_put( underlying, strike, time, interest, sigma, dividend )
+        return 0 if underlying== strike && time <= 0.00000
         d2 = d_two( underlying, strike, time, interest, sigma, dividend )
         discounted_strike = strike * exp(-1.0 * interest * time)
         probabiltity_weighted_value_of_discounted_strike = discounted_strike * norm_sdist( -1.0 * d2 )
diff --git a/lib/options_library/option_call.rb b/lib/options_library/option_call.rb
index c0bb4b4..309a9ff 100644
--- a/lib/options_library/option_call.rb
+++ b/lib/options_library/option_call.rb
@@ -2,7 +2,7 @@
 # Since Feb 18, 2011
 # Based on Black-Scholes forumla for pricing options
 
-module Option
+module OptionLib
   class Call < Model
 
     def initialize
diff --git a/lib/options_library/option_model.rb b/lib/options_library/option_model.rb
index 0b6ade1..4fa55cc 100644
--- a/lib/options_library/option_model.rb
+++ b/lib/options_library/option_model.rb
@@ -2,7 +2,7 @@
 # Since Feb 18, 2011
 # Based on Black-Scholes forumla for pricing options
 
-module Option
+module OptionLib
   class Model
 
     # The two known option types, Call and Put
diff --git a/lib/options_library/option_put.rb b/lib/options_library/option_put.rb
index bc3cba3..f620adc 100644
--- a/lib/options_library/option_put.rb
+++ b/lib/options_library/option_put.rb
@@ -2,7 +2,7 @@
 # Since Feb 18, 2011
 # Based on Black-Scholes forumla for pricing options
 
-module Option
+module OptionLib
   class Put < Model
 
     def initialize
diff --git a/options_library.gemspec b/options_library.gemspec
index c1a989e..de24d0f 100644
--- a/options_library.gemspec
+++ b/options_library.gemspec
@@ -2,7 +2,7 @@
 
 Gem::Specification.new do |s|
   s.name = %q{options_library}
-  s.version = "1.0.3"
+  s.version = "1.0.32"
 
   s.required_rubygems_version = Gem::Requirement.new(">= 1.2") if s.respond_to? :required_rubygems_version=
   s.authors = ["Dan Tylenda-Emmons"]