Array formulas let you perform calculations across entire ranges of data in a single formula. Hence, you can handle lightning-fast lookups, filtering, and sorting with just one po ...

MATLAB offers many flexible tools for analyzing numbers, and MATLAB strings help you understand what the numbers mean. Printing a string array above a table of numerical values, for example, can help ...

A quick run down on how you can use regular expressions in your own programs to give you more power over searching and substituting text. Perl has long been an extremely popular choice for text ...