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Further Reading

● The Bash Hackers Wiki has a good discussion of parameter expansion: http://wiki.bash-hackers.org/syntax/pe

● The Bash Reference Manual covers this, too: http://www.gnu.org/software/bash/manual/bashref.html#Shell-Parameter-Expan- sion

● The Wikipedia has a good article describing bit operations: http://en.wikipedia.org/wiki/Bit_operation

● and an article on ternary operations: http://en.wikipedia.org/wiki/Ternary_operation

● as well as a description of the formula for calculating loan payments used in our

loan-calc script: http://en.wikipedia.org/wiki/Amortization_calculator

35 – Arrays

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