Imagining Numbers - Particularly the Square Root of Minus Fifteen

Mazur, a mathematician and university professor at Harvard University, writes "for people who have no training in mathematics and who may not have actively thought about mathematics since high school, or even during it, but who may wish to experience an act of mathematical imagining and to consider how such an experience compares with the imaginative work involved in reading and understanding a phrase in a poem.

This material for VIP Membership only, please Sign up or Login to unlimit any download.

- VIP for 01 day : 9 USD (Accept and recommend pay by paypal/Crypto)
- VIP for 01 month : 33 USD (Accept pay by paypal or bank account/VISA card/Western Union/Crypto)
- VIP for 01 year : 99 USD (Accept pay by paypal or bank account/VISA card/Western Union/Crypto)
- VIP forever - Unlimit time : 333 USD (Accept pay by paypal or bank account/VISA card/Western Union/Crypto)
* Below is payment button by paypal (CLICK 'Send' IN THE NEXT PAGE), If you pay by other methods, pls contact us (huyhuumik@gmail.com).

Pay VIP 01 day (9USD)

Pay VIP 01 month (33USD)

Pay VIP 01 year (99USD)

Pay VIP Unlimit Time (333USD)

*Notes : Your account will be upgraded to VIP Member after we receive your payment (Sometime you need to wait a few minutes or a few hours). After received your payment, we will inform to your email that you provide, then please login again.

Here is an example for VIP, If you become a VIP member you will see the link download as below:
Improve Your IELTS Reading Skills (Ebook)

* Link VIP 1 is the main link, Link VIP 2,3,4 is backup/mirror links, download 01 link is enough