853
students have developed their Fortran skills on Exercism.

Students
853
Submissions
5,520
Mentoring Discussions
8

The Fortran track needs attention ⚠️

Building

Build

Use your knowledge to build the Fortran track itself

Build Test Runners

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Create Test Runners that have the single responsibility of taking a solution, running all tests and returning a standardized output.

Usage statistics

Total Test Runner Runs
5,451
Test Run Pass Rate
17.0% (925)
Test Run Fail Rate
26.9% (1466)
Test Run Error Rate
56.1% (3060)

Build Analyzers

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Build an Analyzer for Fortran: Exercism's analyzers automatically assess student's submissions and provide mentor-style commentary.

Next goal: Build an Analyzer. Find out more.

Build Representers

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Build a Representer: a bit of code that has the single responsibility of taking a solution and returning a normalized representation of it.

Next goal: Build a Representer. Find out more.

Create Practice Exercises

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Practice Exercises are exercises designed to allow students to solve an arbitrary problem, with the aim of them making use of the concepts they have learned so far.

Next goal: Implement at least 30 practice exercises. Find out more.

Usage statistics

22 active practice exercises
Started
Attempts
Completions
Mentoring requests
Hello World Hello World
606
2,053 (avg. 3.4)
378 (62.4%)
0 (0.0%)
Bob Bob
233
850 (avg. 3.6)
32 (13.7%)
9 (3.9%)
Hamming Hamming
63
318 (avg. 5.0)
40 (63.5%)
2 (3.2%)
Matrix Matrix
44
121 (avg. 2.8)
13 (29.5%)
0 (0.0%)
Nth Prime Nth Prime
34
332 (avg. 9.8)
13 (38.2%)
1 (2.9%)
RNA Transcription RNA Transcription
21
50 (avg. 2.4)
15 (71.4%)
0 (0.0%)
Raindrops Raindrops
21
193 (avg. 9.2)
16 (76.2%)
0 (0.0%)
Difference of Squares Difference of Squares
34
212 (avg. 6.2)
27 (79.4%)
0 (0.0%)
Pangram Pangram
16
101 (avg. 6.3)
10 (62.5%)
0 (0.0%)
Acronym Acronym
14
86 (avg. 6.1)
5 (35.7%)
0 (0.0%)
Collatz Conjecture Collatz Conjecture
21
108 (avg. 5.1)
12 (57.1%)
0 (0.0%)
Armstrong Numbers Armstrong Numbers
15
95 (avg. 6.3)
11 (73.3%)
0 (0.0%)
Yacht Yacht
9
81 (avg. 9.0)
4 (44.4%)
0 (0.0%)
Queen Attack Queen Attack
13
58 (avg. 4.5)
9 (69.2%)
0 (0.0%)
Leap Leap
25
52 (avg. 2.1)
20 (80.0%)
0 (0.0%)
Allergies Allergies
13
186 (avg. 14.3)
7 (53.8%)
0 (0.0%)
Triangle Triangle
20
202 (avg. 10.1)
13 (65.0%)
0 (0.0%)
Rational Numbers Rational Numbers
14
99 (avg. 7.1)
6 (42.9%)
0 (0.0%)
High Scores High Scores
14
126 (avg. 9.0)
7 (50.0%)
0 (0.0%)
Perfect Numbers Perfect Numbers
13
23 (avg. 1.8)
7 (53.8%)
0 (0.0%)
Grains Grains
22
96 (avg. 4.4)
16 (72.7%)
0 (0.0%)
Space Age Space Age
23
78 (avg. 3.4)
8 (34.8%)
0 (0.0%)
106 unimplemented practice exercises
Affine Cipher Affine Cipher
All Your Base All Your Base
Alphametics Alphametics
Anagram Anagram
Atbash Cipher Atbash Cipher
Bank Account Bank Account
Binary Search Binary Search
Binary Search Tree Binary Search Tree
Book Store Book Store
Bottle Song Bottle Song
Bowling Bowling
Change Change
Circular Buffer Circular Buffer
Clock Clock
Complex Numbers Complex Numbers
Connect Connect
Crypto Square Crypto Square
Custom Set Custom Set
D&D Character D&D Character
DOT DSL DOT DSL
Darts Darts
Diamond Diamond
Dominoes Dominoes
ETL ETL
Error Handling Error Handling
Flatten Array Flatten Array
Food Chain Food Chain
Forth Forth
Gigasecond Gigasecond
Go Counting Go Counting
Grade School Grade School
Grep Grep
Hangman Hangman
House House
ISBN Verifier ISBN Verifier
Isogram Isogram
Killer Sudoku Helper Killer Sudoku Helper
Kindergarten Garden Kindergarten Garden
Knapsack Knapsack
Largest Series Product Largest Series Product
Ledger Ledger
Lens Person Lens Person
Linked List Linked List
List Ops List Ops
Luhn Luhn
Markdown Markdown
Matching Brackets Matching Brackets
Meetup Meetup
Micro Blog Micro Blog
Minesweeper Minesweeper
Nucleotide Count Nucleotide Count
OCR Numbers OCR Numbers
POV POV
PaaS I/O PaaS I/O
Palindrome Products Palindrome Products
Parallel Letter Frequency Parallel Letter Frequency
Pascal's Triangle Pascal's Triangle
Phone Number Phone Number
Pig Latin Pig Latin
Poker Poker
Prime Factors Prime Factors
Protein Translation Protein Translation
Proverb Proverb
Pythagorean Triplet Pythagorean Triplet
REST API REST API
Rail Fence Cipher Rail Fence Cipher
React React
Rectangles Rectangles
Resistor Color Resistor Color
Resistor Color Duo Resistor Color Duo
Resistor Color Trio Resistor Color Trio
Reverse String Reverse String
Robot Name Robot Name
Robot Simulator Robot Simulator
Roman Numerals Roman Numerals
Rotational Cipher Rotational Cipher
Run-Length Encoding Run-Length Encoding
SGF Parsing SGF Parsing
Saddle Points Saddle Points
Satellite Satellite
Say Say
Scale Generator Scale Generator
Scrabble Score Scrabble Score
Secret Handshake Secret Handshake
Series Series
Sieve Sieve
Simple Cipher Simple Cipher
Simple Linked List Simple Linked List
Spiral Matrix Spiral Matrix
Square Root Square Root
State of Tic-Tac-Toe State of Tic-Tac-Toe
Strain Strain
Sublist Sublist
Sum of Multiples Sum of Multiples
Tournament Tournament
Transpose Transpose
Tree Building Tree Building
Twelve Days Twelve Days
Two Bucket Two Bucket
Two-Fer Two-Fer
Variable Length Quantity Variable Length Quantity
Word Count Word Count
Word Search Word Search
Wordy Wordy
Zebra Puzzle Zebra Puzzle
Zipper Zipper