BP to BCE/CE per Valentin Cotta

BP to BCE/CE Firefox add-on converts automatically calibrated years before present (BP) to (before) common era ones (BCE and CE). Aimed at archaeologists, because some of us are too lazy to compute!

Bibliography

Killian Driscoll. (2024) What do bp, bc, bce, ad, ce, and cal mean? – Artoba Tours. Retrieved March 13, 2024, from https://www.artobatours.com/articles/archaeology/bp-bc-bce-ad-ce-cal-mean/

Javascript get single word before a specific string - Stack Overflow. Retrieved March 13, 2024, from https://stackoverflow.com/questions/73208413/javascript-get-single-word-before-a-specific-string/73208474#73208474

Replace all instance of a string in a webpage on click Javascript - Stack Overflow. Retrieved March 13, 2024, from https://stackoverflow.com/questions/39380229/replace-all-instance-of-a-string-in-a-webpage-on-click-javascript/39380706#39380706