diff --git a/test_calculator.rb b/test_calculator.rb
new file mode 100644
index 0000000..f3f555f
--- /dev/null
+++ b/test_calculator.rb
@@ -0,0 +1,32 @@
+require_relative "hyde"
+server = Hyde::Server.new Port: 8000 do
+ {"add" => -> (a,b) { a + b },
+ "sub" => -> (a,b) { a - b },
+ "mul" => -> (a,b) { a * b },
+ "div" => -> (a,b) {
+ begin
+ return a/b
+ rescue ZeroDivisionError
+ return "Divided by zero"
+ end
+ }
+ }.each_pair do |k,v|
+ serve k do |ctx|
+ req,res = ctx.request,ctx.response
+ a,b = req.query["a"],req.query["b"]
+ result = (a and b) ? v.call(a.to_f,b.to_f) : "Invalid parameters"
+ res.body = "
+
+
+
+ Calculator API test
+
+
+ Result: #{result}
+
+"
+ res['Content-Type'] = "text/html"
+ end
+ end
+end
+server.start