aksharma/math_calculator — pull request #1 by gbonline (2013-09-09 13:18:51+00:00)
Title: Create math_calclulator.rb

Hi, i' was looking for system to manage calcs and find this gem, but i needed to better tokenize the string formula with variables as $e34, like spreedsheet cells and i've updated the new_str1 and new_str2 vars in tokenize method
I hope this help.