As explained in Chapter 5, zero degrees is generally to the right, and degrees increase counterclockwise, although you can change this convention.
Pri tem velja, da je kot nič na desni strani in da stopinje naraščajo v smeri, ki je nasprotna smeri gibanja urnega kazalca. O tem smo govorili že v 5. poglavju. Če vam tak dogovor ne ustreza, ga lahko spremenite.