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‘Quick Internal Rate of Return’ offers a fast and easy way to compute the IRR of a stream of annual amounts usually starting with an investment treated as a negative amount. The unique data entry GUI employing sliders and buttons improves upon the more typical keypad pad mechanism.

However, there is a keypad data entry option that allows for numbers greater than +1000 and less than -1000.

Although periodic amounts are shown as yearly amounts, the user may interpret these as generic periodic amounts. For example, each amount could be considered a quarterly amount and the IRR computed would be interpreted as the return based on that frequency as well.