Lomovtseva Ekaterina Igorevna Russia Saratov State University, Russia, Saratov, Astrakhanskaya 83 Аспирант кафедры математического и компьютерного моделированияLomovtsevaEI@yandex.ru Author's articles Dual Matrix and Biquaternion Methods of Solving Direct and Inverse Kinematics Problems of Manipulators, for Example Stanford Robot Arm. I Dual matrix and biquaternion methods of solving direct and inverse kinematics problems of manipulators for example Stanford robot arm. II