🔶 Aʙᴏᴜᴛ Tʜɪs Vɪᴅᴇᴏ – This video looks at 5 More GCSE maths calculator skills that could really help you during your exam. These are the POL and REC functions that work as a convenient shortcut to using trigonometry, the reciprocal button, setting up a Table to help you complete a graph and finding the estimate of the mean from a frequency distribution using Stats mode.