The cost of a Transum Mathematics subscription in British pounds is fixed and guaranteed not to change from now until at least 28 Sep 2021 however the cost in other currencies is subject to exchange rate fluctuations.
And here is a video showing what membership includes.
I agree to the
terms and conditions shown below:
ready to pay the annual fee of £69 through Paypal (using
my balance or credit card);
I am ready
to pay the annual fee of £69 with a credit card via
* The fields marked with an asterisk are needed,
the other fields are optional.