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To use the system, you must log in or, if you are not registered yet, then register

If you didn’t use the roof calculation system, then you need to activate it
Express calculation
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Special offer!
From 08/17/2019 to 09/17/2019 we double the amount of payment!
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Operational news and information in:
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News
Sunday, August 18, 2019
Changing the order of charging the subscription fee
Now, the subscription fee is charged every 30 days after activation, and not on the 1st day of every month.
Saturday, August 17, 2019
Special offer x2!
If you pay from August 17 to September 17, 2019, your account will be credited with twice as much money!
Saturday, August 10, 2019
Fixed issue with card payments
We fixed an error when paying by bank cards and electronic money, in which an error message appeared after payment
Sunday, August 4, 2019
Attention! Server migration august 8th!
On August 8, from 21 Moscow time until the end of work (approximately 6 am), our site will not work!
Saturday, August 3, 2019
The correction in the copy settings
Now work with copying settings has become more obvious to users!
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Tariff difference (per user and per active user)

User fee

When paying for a user, you pay for each employee who is connected to the roof calculation system, whether he is currently working in the system or not. Thus, the number of licenses must be greater or equal to the number of connected users.

Only users who have been given access to the roof calculation module (for which the roof calculation module is activated) are taken into account.

This type of tariff is convenient for those for whom each user intensively works with the calculation of roofs.

Payment for active user

In tariffs with payment for the active user - the number of users can be unlimited, but at the same time can work no more than the number of licenses purchased.

This type of tariff is convenient for companies whose employees only periodically calculate roofs and there is no need for permanent work (you can start all the employees, but only a limited number of them can count on the roof at the same time).

Simultaneous work of the same user from different computers

Our system allows the same user to work from different computers (for example, it can be convenient when two employees use the same calculations), but in both tariffs one working employee will require one independent license. Thus, if you have only one user - for example, [email protected], but in fact work takes place simultaneously from two computers with a given login, then you need to purchase TWO licenses.