In Racket, regular functions evaluate their arguments before calling a function. For example, if f is a function then (f (+ 2 3) (-4 1)) is the same as (f 5 3). For most operations, this style of ...

The essence of macro photography comes down to the capabilities of the optical system. The most important feature here is the ability to get the largest possible projection of the object onto the ...

Although subsequent chapters go into far more detail on the various elements of the macro language, this section highlights some of the possibilities, with pointers to more information. macro ...

An Excel macro is an abbreviation for macroinstruction—a sequence of commands (or directives) that tell a computer program or a programming language (such as Visual Basic, C, Assembler, PHP, etc.) to ...

Tamron's 90mm Macro lenses have always enjoyed an enviable reputation, both in their original manual focus guise and later with auto-focus added to the specification. This new version promises faster ...