Abstract
The aims of this chapter are:
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to consider some of the reasons for the inclusion of functions in a programming language
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to introduce with examples some of the predefined functions available in Fortran 90
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to introduce the concept of a user defined function
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to introduce the concept of a recursive function
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to look at scope rules in Fortran 90 for variables and functions
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to look at global user defined functions
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to look at internal user defined functions
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I can call spirits from the vasty deep. Why so can I, or so can any man; but will they come when you do call for them?
William Shakespeare, King Henry IV, part 1
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© 1995 Springer-Verlag London Limited
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Chivers, I.D., Sleightholme, J. (1995). Functions. In: Introducing Fortran 90. Springer, London. https://doi.org/10.1007/978-1-4471-3031-4_14
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DOI: https://doi.org/10.1007/978-1-4471-3031-4_14
Publisher Name: Springer, London
Print ISBN: 978-3-540-19940-3
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