calculating
/ˈkælkjuleɪtɪŋ ˈकैल्क्युलेटिङ्/ adj. planning things in a very careful way in order to achieve what you want, without considering other people स्वार्थपूर्ण अभीष्ट पाने के लिए सुनियोजित; चालाक
Her cold, calculating approach made her many enemies.