diff --git a/README.md b/README.md
index f536447..56f1c7d 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # vector
 Linear space element representation
+[![Build status](https://ci.appveyor.com/api/projects/status/em2k9pidg5n2as0i/branch/master?svg=true)](https://ci.appveyor.com/project/Fxlr8/vector/branch/master)
+[![Build Status](https://travis-ci.org/Fxlr8/vector.svg?branch=Turkin)](https://travis-ci.org/Fxlr8/vector)
diff --git a/src/vector.cpp b/src/vector.cpp
new file mode 100644
index 0000000..c6bdd87
--- /dev/null
+++ b/src/vector.cpp
@@ -0,0 +1,107 @@
+#include "vector.h"
+
+Vector::Vector() {
+    for (unsigned int i = 0; i < n; ++i) {
+        coords_[i] = 0;
+    }
+}
+
+Vector::Vector(double a) {
+    for (unsigned int i = 0; i < n; ++i) {
+        coords_[i] = a;
+    }
+}
+
+Vector::Vector(const Vector &op) {
+    for (unsigned int i = 0; i < n; ++i) {
+        coords_[i] = op.coords_[i];
+    }
+}
+
+Vector &Vector::operator=(const Vector &op) {
+    for (unsigned int i = 0; i < n; ++i) {
+        coords_[i] = op.coords_[i];
+    }
+    return *this;
+}
+
+double Vector::operator[](unsigned long i) const {
+    return coords_[i];
+}
+
+double &Vector::operator[](unsigned long i) {
+    return coords_[i];
+}
+
+Vector &Vector::operator+=(const Vector &op) {
+    for (unsigned int i = 0; i < n; ++i) {
+        coords_[i] += op.coords_[i];
+    }
+    return *this;
+}
+
+
+Vector &Vector::operator-=(const Vector &op) {
+    for (unsigned int i = 0; i < n; ++i) {
+        coords_[i] -= op.coords_[i];
+    }
+    return *this;
+}
+
+Vector &Vector::operator*=(double a) {
+    for (unsigned int i = 0; i < n; ++i) {
+        coords_[i] *= a;
+    }
+    return *this;
+}
+
+Vector &Vector::operator/=(double a) {
+    for (unsigned int i = 0; i < n; ++i) {
+        coords_[i] /= a;
+    }
+    return *this;
+}
+
+bool operator==(const Vector &op1, const Vector &op2) {
+    for (unsigned int i = 0; i < Vector::n; i++) {
+        if (op1.coords_[i] != op2.coords_[i]) {
+            return false; }
+    }
+    return true;
+}
+
+Vector operator+(const Vector &op1, const Vector &op2) {
+    return Vector(op1)+=op2;
+}
+
+Vector operator-(const Vector &op1, const Vector &op2) {
+    return Vector(op1)-=op2;
+}
+
+Vector operator*(const Vector &op, double a) {
+    return Vector(op) *= a;
+}
+Vector operator*(double a, const Vector &op){
+    return Vector(op) *= a;
+}
+
+Vector operator/(const Vector &op1, double a) {
+    return Vector(op1) /= a;
+}
+
+double operator^(const Vector &op1, const Vector &op2) {
+    double res = 0;
+    for (unsigned int i = 0; i < Vector::n; ++i) {
+        res += op1.coords_[i] * op2.coords_[i];
+    }
+    return res;
+}
+
+Vector Vector::operator-() const {
+    return Vector(*this) *= -1;
+}
+
+bool operator!=(const Vector &op1, const Vector &op2) {
+    return !(op1 == op2);
+
+}
\ No newline at end of file