Stuff I make
- Atropine - The browser-based tool used by most
FOCAL Countdown events to
generate fixtures and record results. It is also available on
- Mobile numbers solver - Countdown numbers game
- Quantum Tombola - same numbers solver,
different interface. It has more features and is designed for devices with
larger screens and an actual keyboard.
- WebRack - the system
ZoomDown uses to
run games over Zoom and show overlay graphics.
- RackONine - letters and numbers picker that some
have found useful in online events.
- Conundrum Printing Thing - Lay out conundrum
scrambles in a printable form, for a Lincoln-style co-event.
- Scoresheet printer - Like the Conundrum Printing
Thing, but for co-event scoresheets.
- H2H-o-matic - an
occasionally-updated set of pages showing statistics about past co-events.
- The nets - Numbers game trainer.
- Productio ad absurdum - Trainer
for some useful times tables.
- Drumcundry - A thing I barely remember making in
2016, with which you can practice against real conundrums that have been used
countdown (small c)
- Octagon Simulator - A simulation of the
octagonal on-screen countdown clock used by early 90s BBC shows and referred
- Bitlump - a tool to convert numbers to other
bases and various integer sizes, and to break down strings into their
- ton - a command-line application for Linux and
Windows to make transferring a file from one computer to another
easier than might be otherwise.
tool to work out binomial probabilities without all the cruft and
popups which adorn some other such calculators.
- The Knight Errant puzzle - a problem
about knight's tours and semimagic squares which I found in an old
puzzle book, and a program to find additional solutions.
- Star Viewer, or
"Watson, Someone Has Stolen Our Tent" - in 2010 I made this thing that
generates the position of all the stars and planets in the sky for a given
location. There are probably better solutions to this problem now.