The task is to provide code that evaluates to 0.5 numerically, i.e. the output must be recognized by your chosen language as a numeric value (Number, float, double, etc), not as a string. The catch, the characters 0 through to 9 cannot be used.
PLEASE NOTE: This IS NOT a golfing challenge, this is a popularity contest, so creative answers are encouraged. The more obscure and convoluted answers are also encouraged.
One example that fits the brief would be the following:
A bounty of 150 will be awarded as an added incentive for the most voted creative answer. Good luck!
Any questions, feel free to ask.