Initialism for frame check sequence, a data-link integrity field.

• A checksum appended to frames to detect transmission errors.

Initialism for family and consumer sciences, a school subject.

• Studies of nutrition, budgeting, relationships, and household management.

Initialism for fetal calf serum, a cell culture supplement.

• Serum providing growth factors for in vitro cell growth.

Initialism for Fellow of the Chemical Society, a professional designation.

• Postnominal title indicating fellowship in a chemical society.

Initialism for finance charge(s), interest and fees on credit.

• Cost of borrowing shown on statements.

Initialism for foster care system or services.

• Public or private care for children unable to live at home.