Please select among the 3 Bitcoin payment options:
|To pay for 1 MADE EASY app for $49.95 using Bitcoins.|
|To pay for 3 MADE EASY apps for $100 using Bitcoins.|
|To pay for CALCULUS or DIFFERENTIAL EQUATIONS MADE EASY app for $149.95 using Bitcoins.|
HOW IS THIS GOING TO WORK?
Once bitcoin payment is made and we received your calc ID (look under F1 : ABOUT) at email@example.com we will immediately
email you back your activation key. Then download your app at www.ti89.com/apps/ , transfer it to your calculator as explained
at www.ti89.com/thankyou.htm and enter the provided activation key when prompted. You are now ready to enjoy the app. This takes less than 5 minutes.
Contact us with any questions you may have at : firstname.lastname@example.org