
How to Use an Investing Calculator to Plan Your Goals
The math behind compound growth is simple enough to run yourself, and knowing it keeps a calculator's output honest.
Contribution schedules, holding periods, account types and fee drag explained with worked figures, so a portfolio rests on arithmetic not instinct.

The math behind compound growth is simple enough to run yourself, and knowing it keeps a calculator's output honest.

A mistimed repurchase can quietly erase a tax loss an investor was counting on. Here is how the IRS defines the window, and where the disallowed loss actually…

The last decade of a forty-year index holding produces more growth than the first three combined — the arithmetic that makes patience a strategy.

The more often investors look, the more loss they feel — behavioral research ties frequent checking to worse decisions, and the fix is a calendar.

Broad index funds fell 34% in 2020 and 49% in 2008-2009 and recovered both times — the mechanism is mechanical, and surviving it is behavioral.