To pay for the unlimited license or make donations for further development of MATH101.GURU projects, you can use the following methods:
PayPal: www.paypal.me/math101
WebMoney: WMID 116106480382
Yandex.Money: 410011504838163
After or during payment, please, indicate the product you are paying for and give us your e-mail address so we are able to send you your login and password promptly.

The current pricing for licenses is as follows:
“1000 Palindrome Tester” – 600 rubles or $10.00
“1001 Palindrome Finder” – 900 rubles or $15.00
“5000 Power Raiser Pro” – 300 rubles or $5.00

All funds will be directed to further development of this project, developing new software and buying additional equipment for solving “unsolvable” problems.