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When you evaluate a variable, the HP 48 searches the current directory for the name of the variable. If the name isn't there, the HP 48 searches up the path until it finds the variable or searches the HOME directory. Note that it will evaluate the first variable it finds with the designated name, which may or may not be the one you had in mind. This suggests several approaches to organizing your variables:
When you evaluate a variable, the HP 48 searches the current directory for the name of the variable. If the name isn't there, the HP 48 searches up the path until it finds the variable or searches the HOME directory. Note that it will evaluate the first variable it finds with the designated name, which may or may not be the one you had in mind. This suggests several approaches to organizing your variables: