diff --git a/content/home/about.md b/content/home/about.md
index 13d4539..10d115b 100644
--- a/content/home/about.md
+++ b/content/home/about.md
@@ -1,14 +1,10 @@
-+++
-# About widget.
-widget = "about"  # See https://sourcethemes.com/academic/docs/page-builder/
-headless = true  # This file represents a page section.
-active = true  # Activate this widget? true/false
-weight = 20  # Order that this section will appear in.
+---
+widget: "about"
+headless: true
+active: true  
+weight: 20 
 
-title = "Biography"
+title: "Biography"
 
-# Choose the user profile to display
-# This should be the username of a profile in your `content/authors/` folder.
-# See https://sourcethemes.com/academic/docs/get-started/#introduce-yourself
-author = "admin"
-+++
+author: "admin"
+---
diff --git a/content/home/contact.md b/content/home/contact.md
index 8ac5404..8cd9e6c 100644
--- a/content/home/contact.md
+++ b/content/home/contact.md
@@ -1,20 +1,12 @@
-+++
-# Contact widget.
-widget = "contact"  # See https://sourcethemes.com/academic/docs/page-builder/
-headless = true  # This file represents a page section.
-active = true  # Activate this widget? true/false
-weight = 130  # Order that this section will appear.
+---
+widget: "contact"  
+headless: true  
+active: true  
+weight: 130
 
-title = "Contact"
-subtitle = ""
+title: "Contact"
+subtitle: "Ways to get hold of me"
 
-# Automatically link email and phone?
-autolink = true
-
-# Email form provider
-#   0: Disable email form
-#   1: Netlify (requires that the site is hosted by Netlify)
-#   2: formspree.io
-email_form = 0
-+++
+autolink: true
+---
 Jens Christian Kallesøe True
\ No newline at end of file
diff --git a/content/home/experience.md b/content/home/experience.md
index f14361b..2b63123 100644
--- a/content/home/experience.md
+++ b/content/home/experience.md
@@ -1,65 +1,56 @@
-+++
-# Experience widget.
-widget = "experience"  # See https://sourcethemes.com/academic/docs/page-builder/
-headless = true  # This file represents a page section.
-active = true  # Activate this widget? true/false
-weight = 40  # Order that this section will appear.
+---
+widget: "experience"  # See https://sourcethemes.com/academic/docs/page-builder/
+headless: true  # This file represents a page section.
+active: true  # Activate this widget? true/false
+weight: 40  # Order that this section will appear.
 
-title = "Experience"
-subtitle = "Work related"
-[design]
-  # Choose how many columns the section has. Valid values: 1 or 2.
-  columns = "1"
+title: "Experience"
+subtitle: "Work and education related"
+design:
+  columns: 2
 
-# Date format for experience
-#   Refer to https://sourcethemes.com/academic/docs/customization/#date-format
-date_format = "Jan 2006"
+date_format: "Jan 2006"
 
-# Experiences.
-#   Add/remove as many `[[experience]]` blocks below as you like.
-#   Required fields are `title`, `company`, and `date_start`.
-#   Leave `date_end` empty if it's your current employer.
-#   Begin/end multi-line descriptions with 3 quotes `"""`.
-[[experience]]
-  title = "Software Engineer"
-  company = "Phillips-Medisize A/S"
-  company_url = "https://www.phillipsmedisize.com/"
-  location = "Struer, Denmark"
-  date_start = "2019-06-17"
-  date_end = ""
-  description = """Software Engineer on medical devices 
-  - Embedded programming, drivers and services C/C++
-  - Control theory
-  - Product development under QMS - ISO 13485"""
+experience:
+- title: "Software Engineer"
+  company: "Phillips-Medisize A/S"
+  company_url: "https://www.phillipsmedisize.com/"
+  location: "Struer, Denmark"
+  date_start: "2019-06-17"
+  date_end: ""
+  description: >
+    Software Engineer on medical devices 
+     - Embedded programming, drivers and services C/C++
+     - Control theory
+     - Product development under QMS - ISO 13485
 
-[[experience]]
-  title = "Bachelor in Electronic Engineering"
-  company = "AU - Aarhus University"
-  company_url = "https://bachelor.au.dk/elektronik-herning-diplomingenioer/"
-  location = "Herning, Denmark"
-  date_start = "2016-09-01"
-  date_end = "2019-06-17"
-  description = """Bachelor of Engineering - Electronics 
-  - Software Development, Digital Design, Analog Electronics, Digital Signal Processing
-  - Group semester projects
-  - Elective classes
-    - Advanced Digital Design
-    - Advanced Software Development
-    - IOT/Big Data
-  - Bachelor project 
-    - _Mocking hardware in software to facilitate automated testing of embedded devices_
-  """
+- title: "Bachelor in Electronic Engineering"
+  company: "AU - Aarhus University"
+  company_url: "https://bachelor.au.dk/elektronik-herning-diplomingenioer/"
+  location: "Herning, Denmark"
+  date_start: "2016-09-01"
+  date_end: "2019-06-17"
+  description: >
+    Bachelor of Engineering - Electronics 
+     - Software Development, Digital Design, Analog Electronics, Digital Signal Processing
+     - Group semester projects
+     - Elective classes
+       - Advanced Digital Design
+       - Advanced Software Development
+       - IOT/Big Data
+     - Bachelor project 
+      - _Mocking hardware in software to facilitate automated testing of embedded devices_
 
-[[experience]]
-  title = "Development technician"
-  company = "LEAX A/S"
-  company_url = "http://leax.dk"
-  location = "Lemvig, Denmark"
-  date_start = "2010-01-01"
-  date_end = "2019-01-01"
-  description = """Development support technician. Primary employment focusing on development and supporting in development related tasks. 
-  - Embedded software
-  - Customer support and hardware servicing
-  - Windows software and server applications."""
+- title: "Development technician"
+  company: "LEAX A/S"
+  company_url: "http://leax.dk"
+  location: "Lemvig, Denmark"
+  date_start: "2010-01-01"
+  date_end: "2019-01-01"
+  description: >
+    Development support technician. Primary employment focusing on development and supporting in development related tasks. 
+    - Embedded software
+    - Customer support and hardware servicing
+    - Windows software and server applications.
 
-+++
+---
diff --git a/content/home/skills.md b/content/home/skills.md
index 5f12e92..5a54828 100644
--- a/content/home/skills.md
+++ b/content/home/skills.md
@@ -1,53 +1,39 @@
-+++
-# A Skills section created with the Featurette widget.
-widget = "featurette"  # See https://sourcethemes.com/academic/docs/page-builder/
-headless = true  # This file represents a page section.
-active = true  # Activate this widget? true/false
-weight = 30  # Order that this section will appear.
+---
+widget: "featurette"
+headless: true 
+active: true 
+weight: 30  
 
-title = "Skills"
-subtitle = "Professional work areas and personal interests"
+title: "Skills"
+subtitle: "Professional work areas and personal interests"
+feature:
+- icon: "microchip"
+  icon_pack: "fa"
+  name: "C, C++, Assembly"
+  description: "Embedded programming. AVR, ARM, PIC microcontrollers…"
 
-# Showcase personal skills or business features.
-# 
-# Add/remove as many `[[feature]]` blocks below as you like.
-# 
-# For available icons, see: https://sourcethemes.com/academic/docs/widgets/#icons
+- icon: "tools"
+  icon_pack: "fa"
+  name: "Development tools"
+  description: "Static code analysis, CI/CD tools, Software modeling tools..."
 
-[[feature]]
-  icon = "microchip"
-  icon_pack = "fa"
-  name = "C, C++, Assembly"
-  description = "Embedded programming. AVR, ARM, PIC microcontrollers…"
-
-[[feature]]
-  icon = "tools"
-  icon_pack = "fa"
-  name = "Development tools"
-  description = "Static code analysis, CI/CD tools, Software modeling tools..."
-
-[[feature]]
-  icon = "server"
-  icon_pack = "fa"
-  name = "Linux"
-  description = "Linux development for embedded systems and servers. Docker, RDBMs, package managers…"  
+- icon: "server"
+  icon_pack: "fa"
+  name: "Linux"
+  description: "Linux development for embedded systems and servers. Docker, RDBMs, package managers…"  
   
-[[feature]]
-  icon = "code"
-  icon_pack = "fa"
-  name = "Webdevelopment"
-  description = "Webdevelopment. HTML/JS, PHP, SQL, NodeJS, WebSockets…"
+- icon: "code"
+  icon_pack: "fa"
+  name: "Webdevelopment"
+  description: "Webdevelopment. HTML/JS, PHP, SQL, NodeJS, WebSockets…"
 
-[[feature]]
-  icon = "cogs"
-  icon_pack = "fa"
-  name = "Control theory"
-  description = "Design, Implementation, Simulation, MATLAB/SimuLink…"
+- icon: "cogs"
+  icon_pack: "fa"
+  name: "Control theory"
+  description: "Design, Implementation, Simulation, MATLAB/SimuLink…"
 
-[[feature]]
-  icon = "check"
-  icon_pack = "fa"
-  name = "Quality management"
-  description = "Development under QMS, ISO 13485, 21 CFR 820 compliance..."
-
-+++
+- icon: "check"
+  icon_pack: "fa"
+  name: "Quality management"
+  description: "Development under QMS, ISO 13485, 21 CFR 820 compliance..."
+---
\ No newline at end of file
diff --git a/content/post/bit-magic/index.md b/content/post/bit-magic/index.md
index bde84bb..ffe34cb 100644
--- a/content/post/bit-magic/index.md
+++ b/content/post/bit-magic/index.md
@@ -4,6 +4,7 @@ subtitle: "Tips and trick for embedded C/C++"
 summary: "Tips and trick for embedded C/C++"
 date: 2020-06-13T19:01:19+02:00
 highlight: true
+math: true
 ---
 
 # Set a bit
@@ -53,12 +54,21 @@ output = input << 3; // Multiply by 8
 output = (0b1 << X) -1;
 ```
 
+# Minimum required bits
+$$bits = { log(number) \over log(2) }$$
+Since you can not use fractions of a bit the number should be rounded up.
+
 # Miscellaneous
 ```c
 // Check if number is ODD
 if( (num & 1) == 1) {};
 // Flip signed integer
 num = ~num + 1;
-// Power of two
+// Is an integer a power of two?
 num > 0 && (num & (num - 1)) == 0;
+//Clear all bits from 0 to N
+mask = ~((1 << n+1 ) - 1);
+x &= mask;
+
+
 ```
\ No newline at end of file
diff --git a/content/sailing/raceoffical.md b/content/sailing/raceoffical.md
index e01320e..0e331e8 100644
--- a/content/sailing/raceoffical.md
+++ b/content/sailing/raceoffical.md
@@ -8,15 +8,8 @@ weight = 45 # Order that this section will appear.
 title = "Race offical experience"
 subtitle = ""
 
-# Date format for experience
-#   Refer to https://sourcethemes.com/academic/docs/customization/#date-format
 date_format = "Jan 2006"
 
-# Experiences.
-#   Add/remove as many `[[experience]]` blocks below as you like.
-#   Required fields are `title`, `company`, and `date_start`.
-#   Leave `date_end` empty if it's your current employer.
-#   Begin/end multi-line descriptions with 3 quotes `"""`.
 [[experience]]
   title = "National Judge (NJ)"
   company = "Danish Sailing Association"