Erik Johanson's Profile on SoloLearn
Erik Johanson

Erik Johanson

12
9904 XP

My Courses

JavaScript

922 XP

HTML

655 XP

Python 3

626 XP

CSS

446 XP

PHP

5 XP

Java

5 XP

jQuery

0 XP

SQL

0 XP

My Codes

web
🔊 Fourier Sound Synthesizer

Last Modified: 11/17/2020 16:33:12

41

web
Expand (x + y)^n

Last Modified: 02/16/2020 17:14:25

19

web
Root Simplifier

Last Modified: 02/16/2020 17:00:08

19

py
Nth Fibonacci Number

Last Modified: 12/02/2019 00:49:06

7

web
Complete HTML5 Website Template

Last Modified: 09/29/2019 18:44:33

3

java
Polynomial Interpolator - Find the polynomial satisfying a given set of points

Last Modified: 04/27/2019 02:18:09

6

web
Population Fluctuations with Different Fertility Rates

Last Modified: 04/01/2019 23:42:38

4

web
All Possible RGB Colors on One Canvas

Last Modified: 02/09/2019 02:40:53

9

web
Print All Unicode Characters

Last Modified: 12/31/2018 06:43:31

2

py
Infinity in Python

Last Modified: 12/31/2018 06:36:43

17

py
Inverse Sine by Newton's Method

Last Modified: 12/24/2018 15:27:36

4

py
Factor Finder

Last Modified: 12/09/2018 23:53:45

3

py
Generate Images of Fractals with Python (best in IDLE)

Last Modified: 11/25/2018 21:05:34

11

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Visual Mandelbrot Iterator

Last Modified: 10/16/2018 02:58:39

14

py
Babylonian Method & Matrices?

Last Modified: 09/29/2018 15:10:24

6

py
Find two numbers that multiply to m and add to n

Last Modified: 09/29/2018 14:39:22

8

web
Attempt to Render the Full Quartic Formula

Last Modified: 09/28/2018 21:10:11

11

py
One-Variable Polynomial Multiplier

Last Modified: 08/08/2018 15:44:29

5

web
Brainf*ck to JavaScript Transpiler

Last Modified: 07/19/2018 06:03:16

12

py
Brainf*ck Interpreter for IDLE

Last Modified: 07/19/2018 04:49:52

4

py
Prime Number Generator - Sieve of Eratosthenes

Last Modified: 07/18/2018 13:47:56

4

web
Dialog Element Example

Last Modified: 07/13/2018 18:28:03

11

web
Brainf*ck Interpreter

Last Modified: 07/13/2018 03:51:51

9

web
Hue to RGB Converter

Last Modified: 07/09/2018 20:51:14

12

web
Simple Automated Progress Bar

Last Modified: 07/03/2018 23:42:05

8

py
Experiment with Pixel Patterns

Last Modified: 06/30/2018 00:28:13

5

web
HQ LaTeX Equation Renderer

Last Modified: 06/26/2018 23:33:45

21

web
"Average" of Two Colors

Last Modified: 06/26/2018 18:13:23

8

py
Fastest Known Approximation of Pi

Last Modified: 06/26/2018 17:50:17

30

py
Check if a number is prime

Last Modified: 04/23/2018 00:09:20

5

py
Expand (x + y)^n

Last Modified: 04/21/2018 22:27:27

8

py
Collatz Conjecture Tester

Last Modified: 03/21/2018 23:24:03

6

py
Quartic Equation Solver

Last Modified: 03/21/2018 21:41:35

5

py
Cubic Equation Solver

Last Modified: 03/19/2018 22:32:43

3

py
Perfect Numbers (Challenge by ^-^ Femyk ^-^)

Last Modified: 03/19/2018 22:29:57

10

py
Decimal to Hexadecimal Converter

Last Modified: 03/19/2018 22:29:05

2

py
Flyn Number Checker (Challenge by Julian Fechner)

Last Modified: 03/19/2018 22:27:48

1

py
Random Colored Image Generator

Last Modified: 03/19/2018 22:24:05

8

py
Decimal to Binary Converter

Last Modified: 03/19/2018 22:21:17

5

py
Factorial Calculator

Last Modified: 03/19/2018 22:20:43

2

py
Runtime of Your Program

Last Modified: 03/19/2018 22:19:59

2

py
Complex Numbers in Python

Last Modified: 03/19/2018 22:17:31

2

py
Approximation of the Golden Ratio

Last Modified: 03/19/2018 22:16:15

4

py
Thue-Morse Sequence

Last Modified: 03/19/2018 22:15:20

4

py
Quadratic Equation Solver

Last Modified: 03/19/2018 22:14:20

2

py
Print File Size With Appropriate Prefix

Last Modified: 03/19/2018 22:12:23

2

py
Print the Burning Ship Fractal

Last Modified: 03/19/2018 22:08:46

15

py
Print the Mandelbrot Set! - 100 Million Codes Compiled Celebration

Last Modified: 03/19/2018 22:08:17

26

py
Trig Functions Defined for Complex Numbers

Last Modified: 03/19/2018 22:07:34

4

py
Random Number Maximum Value Record Keeper

Last Modified: 03/19/2018 22:05:06

3

py
Factorial of Any Complex Number

Last Modified: 03/19/2018 21:59:27

3

py
Number Base Converter

Last Modified: 01/19/2018 23:59:13

1

py
Bottles of Beer on the Wall

Last Modified: 01/19/2018 23:47:01

2

py
Large-Factorial Digit Counter

Last Modified: 01/19/2018 23:39:16

12

web
Recursive Function Plotter

Last Modified: 01/17/2018 01:49:48

2

py
Flyn Number Lister

Last Modified: 08/15/2017 22:34:07

0

py
Quark Pairs (Challenge by Julian Fechner)

Last Modified: 08/14/2017 16:49:24

7

py
Numbers with Friends (Challenge by Ace)

Last Modified: 07/27/2017 19:52:38

2

py
Fibonacci Sequence Generator

Last Modified: 07/08/2017 03:43:46

0

My Certificates

JavaScript
JavaScript
Issued: 21 December, 2019
CSS
CSS
Issued: 02 December, 2019
HTML
HTML
Issued: 03 October, 2019

Achievements

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BTS Streak Finisher
15 straight days of learning
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Solver
Solve a code coach problem
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Top Question
Get 50 upvotes on your question
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Rising Star
Win 5 challenges in a row using one weapon
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Question Master
Post 5 questions with at least 5 upvotes each
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Self-Learner
Answer your own question and get 5 upvotes
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Respected Citizen
Reply to a comment in a lesson/quiz and get 5 upvotes
Top Answer
Top Answer
Get 50 upvotes on your answer
Contributor
Contributor
Leave a comment in a lesson/quiz with 5 upvotes
Code Master
Code Master
Post 10 codes with at least 5 upvotes each
Teacher
Teacher
Post 10 answers with at least 5 upvotes each
Coder
Coder
Post 5 codes with at least 5 upvotes each
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Great Question
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The Player
Complete 100 challenges using one weapon
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Good Question
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Gaining Experience
Complete 50 challenges using one weapon
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5 flawless victories in a row using one weapon
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On Your Way to Fame
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Great Answer
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Hat Trick
Complete 3 courses
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Verify your account's email address
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Developer
Get 10 upvotes on your code
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Junior
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Good Answer
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Asker
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Just Getting Started
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Answerer
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Intern
Post a code and get an upvote
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Good Citizen
Leave a comment in a lesson/quiz
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Engaged in!
Engaged in!
Every successful coder has to start somewhere, and finishing a lesson is a great place to start
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Complete 10 courses
Master
Master
Win 50 challenges using one weapon
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Epic!
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Respect!
Complete 500 challenges using one weapon
Question Ninja
Question Ninja
Post 10 questions with at least 5 upvotes each
Question Guru
Question Guru
Post 50 questions with at least 5 upvotes each
Popular Question
Popular Question
Get 100 upvotes on your question
Popular Answer
Popular Answer
Get 100 upvotes on your answer
Illuminator
Illuminator
Post 50 answers with at least 5 upvotes each
Comment Master
Comment Master
Leave 5 comments in a lesson/quiz with at least 5 upvotes each
Senior Developer
Senior Developer
Get 50 upvotes on your code
Code Ninja
Code Ninja
Post 50 codes with at least 5 upvotes each
Quiz Creator
Quiz Creator
Create 20 SoloLearn-approved quizzes in the Quiz Factory.
Quiz Creator Master
Quiz Creator Master
Create 100 SoloLearn-approved quizzes in the Quiz Factory.
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Moderator
Awarded to members who have been selected by our moderation team to help moderate community content.
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Quiz Reviewer
Exclusive badge, handed out to community members who moderate user-generated quizzes.
Gold Quiz Reviewer
Gold Quiz Reviewer
Exclusive badge, handed out to experienced Quiz Reviewers who show expertise in moderation of user-generated quizzes.
Creator
Creator
Create 10 SoloLearn-approved lessons in the Lesson Factory.
Creator Master
Creator Master
Create 50 SoloLearn-approved lessons in the Lesson Factory.
Platinum Moderator
Platinum Moderator
Awarded to experienced moderators who are ready to recruit and train new moderators and curate community content.
Solution Master
Solution Master
5 code coach solutions
Solution Ninja
Solution Ninja
10 code coach solutions
Solution Guru
Solution Guru
50 code coach solutions
certificate
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