Articles · in English
Our English articles name their sources, and every tool shows its formula, its source and its limits. Free, no sign-up.
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Articles
Sourced and checked, in plain English.
Tools · free
Every tool runs instantly in your browser. You enter only what the math needs, and you get the result, the formula, the source and the limits.
Typing filters the list. Enter opens the first match.
For every tool, before every update
A number is only as good as its check. That’s why nothing goes live here until it has been recalculated independently.
Every tool is built two times: once for the page, once as an independent reference.
Both versions run against each other on a large number of inputs. Every deviation shows up.
A tool that fails the check doesn’t go online. No exceptions.
The tools are not medical, legal or financial advice; where a result can only be a rough guide, the tool page says so. Responsible: Wild Garden Editorial Team.
