A quartic curve can have a maximum of: ==Examples== ===Ampersand curve=== ===Bean curve=== ===Bicuspid curve=== ===Bow curve=== ===Cruciform curve=== ===Spiric section=== Spiric sections can be defined as bicircular quartic curves that are symmetric with respect to the xand y-axes. Spiric sections are included in the family of toric sections and i...