diff --git a/src/main/java/ru/ulstu/is/cbapp/CbappApplication.java b/src/main/java/ru/ulstu/is/cbapp/CbappApplication.java
index ff81a6a..eff8475 100644
--- a/src/main/java/ru/ulstu/is/cbapp/CbappApplication.java
+++ b/src/main/java/ru/ulstu/is/cbapp/CbappApplication.java
@@ -2,32 +2,39 @@ package ru.ulstu.is.cbapp;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 @SpringBootApplication
 @RestController
+@CrossOrigin
 public class CbappApplication {
 
 	public static void main(String[] args) {
 		SpringApplication.run(CbappApplication.class, args);
 	}
 
+	//	http://localhost:8080/calc?v1=15&v2=3
 	@GetMapping("/calc")
-	public Integer doSum(@RequestParam(defaultValue = "10") int val1,
-						 @RequestParam(defaultValue = "2") int val2,
-						 @RequestParam(defaultValue = "+") String value) {
-		switch(value){
-			case "-":
-				return val1-val2;
-			case "*":
-				return val1*val2;
-			case "/":
-				return val1/val2;
-			default:
-				return val1+val2;
-		}
+	public Integer doProiz(@RequestParam(defaultValue = "10") int v1,
+						 @RequestParam(defaultValue = "2") int v2) {
+				return v1*v2;
+	}
+	//  http://localhost:8080/toUpperCase?value=internetprogramming
+	@GetMapping("/toUpperCase")
+	public @ResponseBody String toUpperCase(@RequestParam(defaultValue = "") String value) {
+		return value.toUpperCase();
 	}
 
+	//  http://localhost:8080/split?value=dghghyyh&sep=g
+	@GetMapping("/split")
+	public @ResponseBody String[] split(@RequestParam(defaultValue = "") String value,
+										@RequestParam(defaultValue = " ") String sep) {
+		return value.split(sep);
+	}
+
+	// http://localhost:8080/toHex?number=765
+	@GetMapping("/toHex")
+	public @ResponseBody String toHex(@RequestParam(defaultValue = "0") int number) {
+		return Integer.toHexString(number);
+	}
 }