Read our blogs, tips and tutorials
Try our exercises or test your skills
Watch our tutorial videos
Catch up on one of our webinars
Take a self-paced course
Read our recent newsletters
License our courseware
Book expert consultancy
Buy our publications
Get help in using our site
392 attributed reviews in the last 3 years
Refreshingly small course sizes
Outstandingly good courseware
Whizzy online classrooms
Wise Owl trainers only (no freelancers)
Almost no cancellations
We have genuine integrity
We invoice after training
Review 30+ years of Wise Owl
View our top 100 clients
Search our website
We also send out useful tips in a monthly email newsletter ...
Some other pages relevant to this blog include:
You can also book hourly online consultancy for your time zone with one of our 7 expert trainers!
| Two more T-shirts for geeks |
|---|
| If you're a fan of Boolean algebra, or are in two minds about Schrodinger's cat, these Ts are for you! |
Following my blog last month, I've found two more shirts for the geek-about-town to wear. This one is about Boolean algebra:

This shirt is available here, among many other vendors.
And so, in a sense, is this:

You can get this one here.
Any others out there?
Some other pages relevant to this blog include:
You can also book hourly online consultancy for your time zone with one of our 7 expert trainers!
Kingsmoor House
Railway Street
GLOSSOP
SK13 2AA
Landmark Offices
99 Bishopsgate
LONDON
EC2M 3XD
Holiday Inn
25 Aytoun Street
MANCHESTER
M1 3AE
© Wise Owl Business Solutions Ltd 2026. All Rights Reserved.