The Tortoise – a sophisticated retirement calculator
Hi HN! I've been working on this calculator for some time now. It started off as a tool to help me do some retirement planning and I think it could be broadly useful to others as well. It's very generic, which is both good and bad. Good, because you are not beholden to the assumptions of the model, like in many other calculators. This also means that it’s not US centric. On the other hand, you do need a bit of financial planning knowledge to be able to use it effectively. There are many retirement calculators out there -- here's what I think The Tortoise does better than most: 1. An easy to…
The Tortoise – a sophisticated retirement calculator launched on June 12, 2022 with 6 votes, #1,147 of 3,005 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 4 years on.
What it does
Magpie
A free directory of kids’ camps, classes, swim lessons, and events around Greater Boston. The interactive app needs JavaScript — or browse all activities by city and category withoutfrom thetortoise.io
In the maker’s words, at launch
Hi HN! I've been working on this calculator for some time now. It started off as a tool to help me do some retirement planning and I think it could be broadly useful to others as well. It's very generic, which is both good and bad. Good, because you are not beholden to the assumptions of the model, like in many other…
Does a similar job
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