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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