Synthese: Journal of Synthesis in Mathematics Education is an open access journal that provides immediate and free access to all published articles.

To support the dissemination of knowledge and encourage broader participation from the academic community, the journal applies a no-fee policy:

• No Submission Fee – Authors are not charged for submitting their manuscripts.
• No Article Processing Charge (APC) – Authors are not required to pay any fee for the processing, peer review, or publication of their articles.
• No Publication Fee – All accepted papers are published free of charge and made available to readers worldwide without subscription barriers.

This policy reflects the commitment of Nusantara Academic Press to promote open access and support researchers, educators, and practitioners in mathematics education without financial constraints.