Currently FastGrav is a wholly free software, sponsored by donations.

If your classroom, office, or publication has benefited from using FastGrav, please consider donating.

If you have donated, thank you!

Click here to donate with your PayPal account: paypal.me/fastgrav
Or, fill out the form below to pay through PayPal with a credit card (no account required).
Contact me at priceaaronm@gmail.com if you would like an invoice or receipt, or to set up another donation method. I appreciate it!

Including the word "FastGrav" in your subject line will ensure I see your email as quickly as possible.