It may also be called a hypothermic reaction. An endothermic reaction is a chemical reaction in which energy (heat, light, etc.) is absorbed instead of being released as it is in a exothermic reaction. It may also be called a hypothermic reaction.
APL (named after the book A Programming Language) is a programming language developed in the 1960s by Kenneth E. Iverson. Its central datatype is the multidimensional array. It uses a large range of special graphic symbols to represent most operators, leading to very concise code.
up vote 6 down vote accepted. PS is PostScript and was created for Vector Graphics, commonly used for printing from Adobe products. PCL is Printer Command Language. PCL 6 Enhanced is object-oriented PDL optimized for printing from GUI interfaces such as Windows and compressed to optimize throughput and formerly known as PCL XL.