diff --git a/examples/functions/calculator.own b/examples/functions/calculator.own
new file mode 100644
index 0000000..571cbe8
--- /dev/null
+++ b/examples/functions/calculator.own
@@ -0,0 +1,46 @@
+// Simple parser example
+use "std"
+use "types"
+
+operations = {
+  "+" : def(a,b) = a+b,
+  "-" : def(a,b) = a-b,
+  "*" : def(a,b) = a*b,
+  "/" : def(a,b) = a/b,
+  "%" : def(a,b) = a%b,
+  ">" : def(a,b) = a>b,
+  "<" : def(a,b) = a<b
+}
+
+def calculate(expression) {
+  pos = 0
+  len = length(expression)
+
+  def isDigit(c) = 48 <= c && c <= 57
+
+  def parseNumber() {
+    buffer = ""
+    while (pos < len && isDigit(charAt(expression, pos))) {
+      buffer += toChar(charAt(expression, pos))
+      pos++
+    }
+    return number(buffer)
+  }
+
+  def parseOperation() {
+    while (pos < len && !arrayKeyExists(toChar(charAt(expression, pos)), operations)) {
+      pos++
+    }
+    return operations[toChar(charAt(expression, pos++))]
+  }
+
+  num1 = parseNumber()
+  op = parseOperation()
+  num2 = parseNumber()
+  return op(num1, num2)
+}
+
+println calculate("2+2")
+println calculate("400*16")
+println calculate("400/160")
+println calculate("3>4")
\ No newline at end of file
diff --git a/examples/functions/chain.own b/examples/functions/chain.own
new file mode 100644
index 0000000..cf8ac83
--- /dev/null
+++ b/examples/functions/chain.own
@@ -0,0 +1,10 @@
+use "functional"
+
+data = [1,2,3,4,5,6,7,8,9]
+chain(data,
+  ::filter,  def(x) = x % 2 == 0,
+  ::map,     def(x) = [x, x * x, x * x * x],
+  ::sortby,  def(x) = -x[2],
+  ::foreach, ::echo
+)
+
diff --git a/examples/network/telegram_api.own b/examples/network/telegram_api.own
new file mode 100644
index 0000000..6619d28
--- /dev/null
+++ b/examples/network/telegram_api.own
@@ -0,0 +1,36 @@
+use "std"
+use "http"
+use "json"
+use "functional"
+
+// Telegram API example
+
+token = "YOUR_TOKEN"
+
+def toParams(obj) {
+  str = ""
+  for k, v : obj
+    str += k + "=" + v + "&"
+  return str
+}
+def createRawUrl(method, params, token = "") = "https://api.telegram.org/bot" + token + "/" + method + "?"+params+"access_token="+token
+def createUrl(method, params, token = "") = createRawUrl(method, toParams(params), token)
+def invokeJson(method, params, callback) = http(createUrl(method, params, token), combine(::jsondecode, callback))
+def invoke(method, params, callback) = http(createUrl(method, params, token), callback)
+
+def sendMessage(text = "", chatId = 1) {
+  invoke("sendMessage", {
+    "chat_id": chatId,
+    "text": text
+  }, ::echo)
+}
+
+def getUpdates() = invoke("getUpdates", {}, ::echo)
+
+
+// Get updates in chat
+getUpdates()
+// Send message to chatId 1
+sendMessage("Hello", 1)
+// Send message to channel
+sendMessage("Hello", "@telegram_channel")
\ No newline at end of file