This unit describes the skills and knowledge to extract and analyse a range of complex mathematical information and complete specialised mathematical calculations and processes in workplace tasks. This includes extracting and analysing complex workplace mathematical information, using rational and relevant irrational numbers, and performing calculations from specialist areas of mathematics applicable to the workplace, and communicating workplace mathematical information.An individual performing these tasks works autonomously and accesses and evaluates support from a broad range of sources as needed.This unit applies to individuals who use, or are preparing to use, numeracy skills to complete workplace activities. This includes existing workers and individuals preparing for employment through vocational education and training. This unit should be integrated and contextualised with vocational training to support achievement of vocational competency.This unit is designed for integration and contextualisation with vocational units to support achievement of vocational competency.This unit is aligned to, but does not fully address, the Australian Core Skills Framework (ACSF) numeracy core skill indicators .09, .10 and .11 at level 5 in the workplace and employment domain of communication.No licensing, legislative or certification requirements apply to this unit at the time of publication.