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Stack (abstract data type)
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In computer science, a stack is an abstract data type that serves as a collection of elements with two main operations:Push, which adds an element to the collection, and Pop, which removes the most recently added element.
Similarly to a stack of plates, adding or removing is only practical at the top.
Similarly to a stack of plates, adding or removing is only practical at the top.
The programmable pocket calculator HP-42S from 1988 had, like nearly all of the company's calculators of that time, a 4-level-stack and could display
The programmable pocket calculator HP-42S from 1988 had, like nearly all of the company's calculators of that time, a 4-level-stack and could display two of four values ​​of the stack registers X, Y, Z, and T at the same time due to its two-line display, here X and Y. In later models like the HP-48, the number of levels was increased to be only limited by memory size.
Friedrich L. Bauer
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Friedrich Ludwig "Fritz" Bauer was a German pioneer of computer science and professor at the Technical University of Munich.
Friedrich L. Bauer
Friedrich L. Bauer
Friedrich L. Bauer at the editors' meeting of Informatik Spektrum on 29 May 1995.
Friedrich L. Bauer at the editors' meeting of Informatik Spektrum on 29 May 1995.