Calculators are used in codeigniter to perform calculations and operations. They come in various forms, like the calculator widget, or the simple calculator textbox.

We can use it for any kind of calculation where we need to do things like addition, subtraction, multiplication or division.

  • A calculator is a device that performs calculations. It is usually handheld and its primary purpose is to simplify the computation of mathematical problems.
  • A math library on the other hand, is a software that contains pre-written algorithms for mathematical computations and data structures.

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