Hermetic Systems

This software (and this website) is hand‑crafted for functionality and ease‑of‑use. These programs run with all versions of Windows (including Win10), and on Macs with an emulator. All of them are free to download (as trial versions).

Click on a program title (e.g., "Hermetic Word Frequency Counter") for purchasing and other information, or click on a thumbnail image for full‑size (then click the back arrow in your browser to return to this page).



C Code to HTML Converter

C2HTML thumbnail

Radian-Degree Calculator

RDC thumbnail

Prime Factors

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You can pay by using credit/debit card or amazon pay. Alternatively you can pay via MoneyGram, RIA or Western Union and get a 20% discount.

Single-user license terms

In case you were wondering, the "ch" in "hermetic.ch" is short for "Confederation Helvetica", that is, "Switzerland".