All you need to know about FOCAL

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Regarding BASIC
It is simply impossible not to compare Focal and Basic. Both languages ​​were intended for mini-systems of the era of creation. They have a lot of points of contact both in terms of syntax and structure. In the vast majority of cases, there is a possibility of direct transformation of Focal codes from Basic. The exception is some cases - functions that are not available in each of the languages. Despite some differences, they are very similar.

One of the most obvious differences is the IF in JOSS, which allows each element after the THEN to be distributed, making it as close to the control capabilities of JOSS as possible. Basic also changed the order lebanon customer email list of the code, placing the conditional element at the beginning of the line rather than near the end. The advantage here is that the environment has the ability to immediately stop reading the second part of the element when the input is not real.

Another significant difference is the lack of adapted support for strings that are recommended to be assigned to elements. An analogy can be drawn with the starting versions of Basic before building the following strings. This limitation is usually applied using variable strings in the input and output command. But there came a time when it was necessary to rebuild and supplement the strings and elements inside, and this became a global problem.

Input/output uses a method by which each and every character is converted into a digital value. The Focal PDP-8 implementation uses floating point, stored as 12-bit words. This ensures unrivaled precision and a wide range of values.

It is a common fact that Focal is a much more efficient language than anything comparable to it. It can be used to perform serious programming tasks.

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