formulae

Hi guys... I am bit confused in creating formulae for the following calcullation... Please help me out... This is regarding share trading: For Cash Trades : Let us say Trade Amount is 30,000.00 Brokerage = 30000 * 0.75 / 100 = 225.00 If Brokerage is less than 25.00 then 25.00 is charged...

I have scanned images of my Heat And Mass Transfer book. There are lots of formulae in it. I want to convert it into editable text. How do I do that? I am using Abby OCR. I get invalid characters after converting. Are there any installable dictionaries that if used in the software will...