# Effective

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**Effective Perl Programming**— sometimes known as the Shiny Ball Book by Perl programmers, is an intermediate to advanced text by Joseph N. Hall covering the Perl programming language. Randal L. Schwartz contributed a foreword and technical editing. Effective Perl Programming …42

**effective - efficient**— ◊ effective Something that is effective produces the results that it is intended to produce. ...effective street lighting. ...an effective mosquito repellent. ◊ efficient A person, machine, or organization that is efficient does a job …43

**effective assistance of counsel**— The right of a criminal defendant or appellant to have competent legal representation, whether the lawyer was appointed by the court or retained by the defendant. In general, competent legal representation is without errors that would result in… …44

**effective annual rate**— UK US noun [C] (also effective annual interest rate) ► FINANCE the actual rate of interest paid or charged over one year: »The effective annual rate is the amount of interest charged on an overdraft, not including any fees or charges …45

**effective, efficient, effectual**— Effective refers to something that has the power to produce, or that actually does produce, an effect or result: This medicine is an effective remedy for acid indigestion. Efficient implies the use of energy, skill, or industry to accomplish a… …46

**Effective half-life**— denotes the halving of radioactive material in a living organism by means of radioactive decay and biological excretion. A decay constant is needed to calculate the half life. It is the sum of the biological and physical decay constants, as in… …47

**Effective descriptive set theory**— is the branch of descriptive set theory dealing with sets of reals having lightface definitions; that is, definitions that do not require an arbitrary real parameter. Thus effective descriptive set theory combines descriptive set theory with… …48

**Effective accessibility**— is a term used to describe access to health care and is based on factors such as opening times, cost of use and waiting lists as opposed to geographical or locational factors (e.g. physical proximity, travel time). The factors of effective… …49

**Effective torque**— is often referred to as wheel torque or torque to the wheels is primarily associated with automotive tuning. Torque can be measured using a dynamometer. Common units used in automotive applications can include ft·lbf and N·m. For more on units… …50

**effective date of termination**— (EDT) An employee s period of continuous employment will end on the effective date of termination, which is normally the last day of employment, but may be a later date (section 97, ERA 1996). Related links continuous employment …