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A small biology calculator toolkit for lab prep checks

I have been collecting the routine calculations that come up around biology lab work into a small mobile toolkit called BioCalculator.

The goal is not to replace a protocol or a lab notebook. It is a quick check layer for common prep work: dilution, molarity, stock solutions, buffer recipes, protein and nucleic acid conversions, microbiology utilities, and endpoint dilution TCID50 calculations.

The TCID50 calculator page is here:

https://biocalculator.app/calculators/TCID50

The main calculator collection is here:

https://biocalculator.app/calculators

And the app/site homepage is here:

https://biocalculator.app/

I am keeping the pages practical and shareable, so each calculator has its own URL instead of hiding everything behind a generic landing page. Feedback from people who work with cell culture, virology, or routine molecular biology prep would be useful.

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