10 calcuations for calculating worth of investments

Very good information about such 10 formulae is available at: http://specials.rediff.com/money/2008/jul/22slde01.htm

SIP returns calculator: http://www.indiainfoline.com/personalfinance/calculators/mutualfunds/systematic-investment-plan-returns

Numerous calculators: http://www.indiainfoline.com/personalfinance/calculators/