diff --git a/debug.lsp b/debug.lsp
index 8e38ea0..5b7945f 100644
--- a/debug.lsp
+++ b/debug.lsp
@@ -16,11 +16,14 @@
 
 (defun term-red (str) (sprintf (+ term-red-esc str term-rst-esc)))
 
-(print (term-red "red") (sprintf "%.2f" (list 1.11)) "ss")
+(print (+ (term-red (sprintf "%.2f" (list 1.11))) "  "          
+          (term-green (sprintf "%.2f" (list 1.11))) " "
+          (term-blue (sprintf "%.2f" (list 1.11))) " "
+          (term-yellow (sprintf "%.2f" (list 1.11))) " "
+    ))
 
-    (define q_change_str (sprintf "%+.2f %%" (list q)))
+    ;; (define q_change_str (sprintf "%+.2f %%" (list q)))
     ;; (if (>= q_change 0.0) 
     ;;     (define q_change_str (term-green q_change_str))
     ;;     (define q_change_str (term-red q_change_str)))
 
-    
\ No newline at end of file
diff --git a/ml.cpp b/ml.cpp
index ab8b0f8..8797ed5 100644
--- a/ml.cpp
+++ b/ml.cpp
@@ -1773,7 +1773,20 @@ MlValue MlEnvironment::get(const std::string &name) const {
 	throw MlError(MlValue::atom(name), *this, ATOM_NOT_DEFINED);
 }
 
-int main(int argc, const char **argv) {
+std::vector<std::string> getCmdOption(char *argv[], int argc, const std::string &option) {
+	std::vector<std::string> tokens;
+	for (int i = 1; i < argc; ++i) {
+		if (option == argv[i] && i + 1 < argc) {
+			i++;
+			tokens.push_back(std::string(argv[i]));
+		}
+	}
+	return tokens;
+}
+
+bool cmdOptionExists(char **begin, char **end, const std::string &option) { return std::find(begin, end, option) != end; }
+
+int main(int argc, char *argv[]) {
 	MlEnvironment env;
 	std::vector<MlValue> args;
 	for (int i = 0; i < argc; i++)
@@ -1786,6 +1799,18 @@ int main(int argc, const char **argv) {
         // for xcode profiling
         // run(read_file_contents("/Users/vaclavt/Development/mlisp/tests/test.lsp"), env);
 
+	// help
+	if (cmdOptionExists(argv, argv + argc, "-h")) {
+		std::cout << "Usage:\n\t-h print this help\n\t-f source_file - executes code in file\n\t-c code - runs passed code\n\t-i runs repl\n\t-v prints version string\n\n";
+		return 0;
+	}
+
+	// version
+	if (cmdOptionExists(argv, argv + argc, "-v")) {
+		std::cout << VERSION << std::endl;
+		return 0;
+	}
+
 		if (argc == 1 || (argc == 2 && std::string(argv[1]) == "-i"))
 			repl(env);
 		else if (argc == 3 && std::string(argv[1]) == "-c")
diff --git a/ml.h b/ml.h
index 50ffa53..4910d97 100644
--- a/ml.h
+++ b/ml.h
@@ -7,6 +7,8 @@
 #include <sstream>
 #include <exception>
 
+const std::string VERSION = "mi 0.1 (" __DATE__ " " __TIME__ ")";
+
 
 // Forward declaration for MlEnvironment class definition
 class MlValue;
diff --git a/tests/test.lsp b/tests/test.lsp
index d2cff1d..ad41c06 100644
--- a/tests/test.lsp
+++ b/tests/test.lsp
@@ -177,5 +177,10 @@
 (print (term-underline "underline text"))
 (print "normal text")
 
+(print (+ (term-red (sprintf "%.2f" (list 1.11))) "  "          
+          (term-green (sprintf "%.2f" (list 1.11))) " "
+          (term-blue (sprintf "%.2f" (list 1.11))) " "
+          (term-yellow (sprintf "%.2f" (list 1.11))) " "
+    ))
 
 (print "Test ends")
\ No newline at end of file