Mathematics equipment. Protractor (left),a pair of compasses and pencil (centre top),a pen (right) and an electronic calculator (lower centre). A protractor is used to measure angles,it has a ruler at its base,with graduated markings to measure distances. A pair of compasses is used to draw circles. Electronic calculators are used to carry out complex calculations quickly | |
Licence : | Libre de droits |
Crédit: | Science Photo Library / Tek Image |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |