NOTE: that any prefix from pico to giga may be used (in multiples of 103) in any question or calculation
The 
symbol
indicates the parts of the syllabus where maths calculations are
involved. Please do not be put off by this as the course
work will help you to fully understand the maths needed
for the exam - if you want to pick up some relatively
easy marks !!
Where formulae are on the paperwork given out in the exam
this logo will be used. 
click here to see the sheet
The origin of some of the text on this page is from the RSGB with additions by the web master