Use your Bicycle wheel to measure long distances without measuring tapes.

Count the number of wheel revolutions. Obtain the circumference from the wheel trace on the ground. Enter the circumference to calculate the distances directly.

While you walk or ride slowly, listen to the flexible fixture you have placed on wheel as it flaps against spokes, and operate without looking at display.
Also for use as conventional counter.

Functions are:
- clear count
- decrement count
- commit to memory
- add to memory
- recall memory
- clear memory

Features are:
- large tap zone enabling it to be held in one hand using the flat of the thumb
- suits left or right handed persons
- other controls placed away from accidental taps
- quick help screen

Coming in full version:
- multiple memories according to use other than with bicycle wheel
- accelerometer function, fix within wheel to count at full riding speed.