**Rate of change** — may refer to* Derivative, rate of change in a mathematical function, often a time derivative * Rate of change (technical analysis), a stock market indicator … Wikipedia

**Rate Of Change** — The speed at which a variable changes over a specific period of time. Rate of change is often used when speaking about momentum, and it can generally be expressed as a ratio between a change in one variable relative to a corresponding change in… … Investment dictionary

**rate of change** — a value that results from dividing the change of a function of a variable by the change in the variable velocity is the rate of change of distance with respect to time … Useful english dictionary

**Rate of Change** — ► See ROC … Financial and business terms

**Price Rate Of Change - ROC** — A technical indicator that measures the percentage change between the most recent price and the price n periods in the past. It is calculated by using the following formula: (Closing Price Today Closing Price n Periods Ago) / Closing Price n… … Investment dictionary

**Rate of climb** — An F 15 Eagle climbing and releasing flares. In aeronautics, the rate of climb (RoC) is an aircraft s vertical speed the rate of change in altitude. In most ICAO member countries (even in otherwise metric countries), this is usually expressed in… … Wikipedia

**rate-of-temperature indicator** — A type of fire warning system that uses a series of thermocouples to sense the rate of change of temperature rise. Any increase in temperature whose rate of change is higher than specified makes current flow into the system, which appears as a… … Aviation dictionary

**Rate of Climb and Descent Indicator** — The Rate of Climb and Descent Indicator (RCDI) is an aircraft cockpit instrument displaying vertical speed. Other terms used are Vertical Speed Indicator (VSI), or, for particularly sensitive RCDIs in gliders, Variometer .The principle of… … Wikipedia

**rate of inflation** — noun the rate of change of prices (as indicated by a price index) calculated on a monthly or annual basis • Syn: ↑inflation rate • Hypernyms: ↑rate … Useful english dictionary

**Rate of fire** — is the frequency at which a specific weapon can fire or launch its projectiles. It is usually measured in rounds per minute (RPM or round/min), or per second (RPS or round/s). Contents 1 Overview 2 Measurement 2.1 Cyclic rate … Wikipedia