Fortran is a high level programming language which means Formula Translation and is widely used for numerical operations. Fortran language is the first high level programming language among all the languages. Persons with little …

Read More »# Fortran

## Usage and Advantage of FORTRAN Programming Language

Usage of FORTRAN 1. This is widely used at space research centers, DRDO, NASA, ISRO and many of University like Cambridge, Department of Engineering etc. 2. Used commercially for technical and scientific computations. 3. …

Read More »## Differences between Fortran 77 and Fortran 90 & 95

Differences 1) Fortran 90 has more intrinsic functions than Fortran 77, and it adds intrinsic subroutines. The CF90 compiler accepts the following intrinsic functions, which are included in the Fortran 90 …

Read More »## Basics of Fortran

Basics are called the heart of any language. Without basics of any language you cannot imagine about any computer language. Basics of Fortran means how, what, where and which sentence, …

Read More »## Constant In Fortran

A constant is a number which does not change till the end of a program. As we know in algebra 1, 2, 3,………etc are constant which have same value as …

Read More »## Fortran Variables

Fortran Variables A quantity which may vary during program execution is called a variable. Variables names are name tags of memory location where numbers are stored. A number stored in …

Read More »## Data Types In Fortran

Data Data are constants provided to a program for use in computation or processing or execution. Type Means the information determines the way in which it is represented and the …

Read More »## Fortran Expressions

Fortran Expressions We have already discussed about constants, integers, variables now we will study about the Fortran Expressions . What is Expression? Expressions are the statements formed by combination of …

Read More »## Arithmetic & Integer Expressions in Fortran

Arithmetic Expressions To know about the Arithmetic Expressions first of all we must should know about Arithmetic Operators which is given below: Operation Fortran operator + Add – Subtract * …

Read More »## Real & Complex Expressions

Real Expressions There are following rules to express the Real expressions: 1) A signed or unsigned real variable name or real constant is an expression. Example: -A, 3.8, 2.0 etc. …

Read More »## Mixed & Character Expressions

Mixed expressions Mixed expressions in Arithmetic Expression are formed by using different types of integer, real, double precision or complex quantities. Example: Consider an arithmetic expression in which integer and …

Read More »## Relational Logical Expressions in fortran

Relational Logical Expressions are expressed with the help of Relational operators. Relational operators These are the relational operators: Mathematical symbol Meaning Fortran equivalent > greater than .GT. >= greater than …

Read More »## Input Statement In Fortran

Input Statement It is necessary for solving a problem on a digital computer that the required data should be transformed from one of its input unit to its memory and …

Read More »## How to write a simple program in Fortran

As we know computer is a machine which have no mind. It does not understand our language. Computer have own language which converts our input data into its own language. …

Read More »## Output statement In Fortran

The WRITE and PRINT statements are the data transfer output statement. The information from the memory unit is delivered to output unit and then the result or the value or …

Read More »