| javascript Programming Glossary: tformulaJavascript: Regular Expression to parse a formula http://stackoverflow.com/questions/18459798/javascript-regular-expression-to-parse-a-formula  parseFormula e var formula e.value value 0.00 tValue 0.00 tFormula '' dObj if formula undefined formula  dObj._formulaIn formula.. formula var f formula.split s g for var i 0 i f.length i  tFormula f i  Replacing PI tFormula tFormula.replace pi gi Math.PI dObj._1_pi_done.. s g for var i 0 i f.length i  tFormula f i  Replacing PI tFormula tFormula.replace pi gi Math.PI dObj._1_pi_done tFormula  Replacing.. 
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