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Given real numbers x and y, integers m and n and the set of integers, floor and ceiling may be defined by the equations ⌊ ⌋ = {}, ⌈ ⌉ = {}. Since there is exactly one integer in a half-open interval of length one, for any real number x, there are unique integers m and n satisfying the equation
Symbolab is an answer engine [1] that provides step-by-step solutions to mathematical problems in a range of subjects. [2] It was originally developed by Israeli start-up company EqsQuest Ltd., under whom it was released for public use in 2011. In 2020, the company was acquired by American educational technology website Course Hero. [3] [4]
Fire engine red, also known as fire truck red in North America, is an informal name for an bright red commonly used on emergency vehicles in many countries on fire service vehicles, such as fire engines. The name does not refer to any particular shade of red; different fire services may have their own specifications.
Months after its $80 million Series B fundraise, Course Hero has acquired Symbolab, an artificial intelligence-powered calculator that helps students answer and understand complex math questions.
Small-diameter fire hose (3/4–1 inch), often carried on booster reel, preconnected to pump of an engine (and the booster tank) for putting out small fires near the truck without having to connect to a fire hydrant; easily recovered with a motorized reel. Also known as "red line" for the common red rubberized outer layer.
Microsoft Math Solver (formerly Microsoft Mathematics and Microsoft Math) is an entry-level educational app that solves math and science problems. Developed and maintained by Microsoft , it is primarily targeted at students as a learning tool.
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The Green Goddess is the colloquial name for the RLHZ Self Propelled Pump manufactured by Bedford Vehicles, a fire engine used originally by the Auxiliary Fire Service (AFS), and latterly held in reserve by the Home Office until 2004, and available when required to deal with exceptional events, including being operated by the British Armed Forces during fire-fighters’ strikes (1977 and 2002).