to calculate the variable costs
51Adaptation to global warming — and climate change is a response to climate change that seeks to reduce the vulnerability of natural and human systems to climate change effects.[1] Even if emissions are stabilized relatively soon, climate change and its effects will last many… …
52Credit card — Personal finance Credit and debt Pawnbroker Student loan Employment contract Salary Wage Empl …
53Compiler optimization — is the process of tuning the output of a compiler to minimize or maximize some attributes of an executable computer program. The most common requirement is to minimize the time taken to execute a program; a less common one is to minimize the… …
54Operating margin — In business, operating margin, operating income margin, operating profit margin or return on sales (ROS) is the ratio of operating income (operating profit in the UK) divided by net sales, usually presented in percent. Net profit measures the… …
55Two-factor authentication — (TFA, T FA or 2FA) is an approach to authentication which requires the presentation of two different kinds of evidence that someone is who they say they are. It is a part of the broader family of multi factor authentication, which is a defense in …
56publishing, history of — Introduction an account of the selection, preparation, and marketing of printed matter from its origins in ancient times to the present. The activity has grown from small beginnings into a vast and complex industry responsible for the… …
57Productivity — in economics refers to measures of output from production processes, per unit of input. Labor productivity, for example, is typically measured as a ratio of output per labor hour, an input. Productivity may be conceived of as a measure of the… …
58Inverter (electrical) — An inverter is an electrical device that converts direct current (DC) to alternating current (AC)[1]; the converted AC can be at any required voltage and frequency with the use of appropriate transformers, switching, and control circuits. Solid… …
59Electricity meter — Typical North American domestic analog electricity meter …
60Direct access trading — is a technology which allows stock traders to trade directly with market makers or specialists, rather than trading through stock brokers.[1] Direct access trading systems use front end trading software and high speed computer links to stock… …
