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U+2339 ⌹ APL FUNCTIONAL SYMBOL QUAD DIVIDE: Rotation A⌽B: The elements of B are rotated A positions U+233D ⌽ APL FUNCTIONAL SYMBOL CIRCLE STILE: Rotation A⊖B: The elements of B are rotated A positions along the first axis U+2296 ⊖ CIRCLED MINUS: Logarithm: A⍟B: Logarithm of B to base A: U+235F ⍟ APL FUNCTIONAL SYMBOL CIRCLE STAR ...
APL (named after the book A Programming Language) [3] 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 [4] to represent most functions and operators, leading to very concise code.
Further APL characters were available by overstriking one character with another. For example, the log symbol (⍟) was formed by overstriking ⇧ Shift+P with ⇧ Shift+O. This extended the graphic abilities of the earlier teleprinters, but made it more complex to correct errors and edit program lines.
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ELI [3] is an interactive array programming language system based on the programming language APL.It has most of the functions of the International Organization for Standardization (ISO) APL standard ISO/IEC 13751:2001, and also list for non-homogeneous or non-rectangular data, complex numbers, symbols, temporal data, and control structures.
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APL's STEM includes several internships and programs, including the Maryland MESA program, which is an after-school program for students in grades 3-12; APL STEM in the Community, which focuses on STEM community outreach; the STEM Academy, which is an after-school course program for middle and high school students (grades 8-12); and APL's ...
The final ! is rotation where the list on the right is rotated two times to the left producing the final result of 2 0 1. The second core distinction of K is that functions are first-class objects, a concept borrowed from Scheme. First-class functions can be used in the same contexts where a data value can be used. Functions can be specified as ...