HP-12c Classic is an elegant, professional and very functional scientific calculator that allows you to store up to 100 value records in memory so that they can be used later, as well as save up to 1000 steps of those that have been carried out to obtain said Outcome.
HP-12c Classic allows you to locate the number formats according to your system configuration, save / load different calculations that you are doing, activate / deactivate the sound for spoken results, recalculate a value from the change of a parameter, and so on.
It is also interesting that HP-12c Classic allows statistical analysis, drawing linear, exponential, logarithmic, etc. curves. HP-12c Classic also comes equipped with its own module editor.
You can free download HP-12c Classic 32, 64 bit and safe install the latest trial or new full version for Windows 10 from the official site.