A position determining device, adapted for use with an image recording device, the position determining device comprising:
- a receiver, adapted to receive data for position calculation;
- a calculator, adapted to calculate position information based on said data for position calculation;
- a connecting portion comprising a fixing portion, adapted to removably connect to the image recording device, and a transmitting terminal adapted to provide said position information to the image recording device;
- and
- a transmitter, adapted to transmit said position information calculated by said calculator to the image recording device connected to said fixing portion via said transmitting terminal.