RedCrab Register and Trial
Register your e-mail address. With registered e-mail address you will be informed about updates and news.
In addition, you can unlock all functions of the RedCrab Calculator free of charge on a daily basis.
Basically, you can also use the RedCrab Calculator as a freeware without registration.
However, you will have to forego the benefits listed above.
Trial mode activation
Get Trial Code
The activation of the full version is effective for 24 hours.
After the time has elapsed, a new activation code can be requested here.
Why only 24 hours?
Has it happened to you that you have activated the trial mode of a new software to get a first impression,
but then had no time or no suitable project for a detailed test? If you have time or a project, the trial period is expired.
That can not happen to you at RedCrab anymore! You can request an activation code on a daily basis if you need one. Until further notice the number of activations is not limited.
Users who only rarely need a math software and therefore the purchase is uneconomical,
can now access the full range of functions when needed.