To pay it is necessary to support even this site and the program for which you pay, in fact as is known for all in this world to have to pay (except for some very important things ;-))

Besides momentary registration is not possible yet because of shortage of means (the so-called personal certificate in electronic payment system WebMoney Is necessary)

If you wish pay registration Calcum Pro you can to pass here

Free software distribution

All software is distributed without restrictions

Free refund

If you purchase the app, you can return the funds within 14 days from the date of purchase

24-hour information support

Information support is provided (help and questions about software products)


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Now 10/23/2021