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Show II. Introduction The FLEX language Is intended to be a simple yet powerful and comprehensive notation to express computer-oriented algorithms. It follows the traditions set by ALGOL 60 and several generations of EULER. [1,21! a. Calculation At the lowest level of use FLEX is easier to learn than either FORTRAN or ALGOL. The use of it as a desk calculation language may be mastered in a few minutes. For example: we may wish to evaluate a qalculation involving only numbers. The expression is simply entered through the keyboard as shown. Assigning the answer to the reserved word "display" indicates that the answer is to be returned to the CRT. ,diaplay^l.6*2.9522/(19.7-9.2); 4.4985905 At this level of use the entered FLEX code is executed statement by statement so that it acts as an interactive language. The " ' " is supplied by the processor and indicates to the user that FLEX is ready for input. |
