Reference (computer science) In computer science, a reference is a value that enables a program to indirectly access a particular datum, such as a variable or a record, in the computer's memory or in some other storage device.
For a standard-size, double-hung, double-pane (energy efficient), vinyl window, expect to pay between $450 and $600, including installation. Wood windows are more expensive. The cost of a wood replacement window can range between $800 and $1,000 per installation. If the entire window and framing has to be removed (down to the studs), be prepared to add at least $50 to $100 per installation.
How much does it cost to install a window? Windows replacement cost. Cost of windows installation varies from $85 to $960+ per window and actual price will depend on a number of factors. Windows installation cost comparison chart (prices per window installed)1. Cost to install windows on a 1st floor and basement.