List of Subject-tan appearances

This is a list of Subject-tan character appearances.
 * Physics-tan (Subject-tan) - Dark red bow on her back of her head, dark black hair, red vest with puffy shirt, and a white skirt, and dark black eyes, and black shoes
 * Math-chan - Brown down-sided hair (resembling like brown pigtails), dark blue dress with numbers, and a small blue bow on her left side of her hair, and dark blue eyes
 * Biology-tan - Dark pink dress, white socks, dark pink ribbon on the back of her head, swirled rubber bands in front of her hair, and pink eyes, and black shoes
 * Mathematics-tan (name) - Dark fuchsia eyes, dark pink magical girl outfit with numbers, fractions, square roots (arithmetic), and sometimes the order of operations on her wrist of her outfit
 * Algebra-tan - Light blue hair (resembling a ponytail), dark blue bow with light blue accenting on the back of her head, dark blue uniform with a blue skirt with dark blue striped accenting on the front, long white socks, and black shoes, and dark blue eyes
 * Chemistry-tan - Light blue maid outfit, with clips resembling like cat ears, with hair ornaments in the left side and the right side of the hair, black hair with a low ponytail on her back, dark blue puffy shirt and white shoes with dark blue bows on it, and blue eyes, with a maid headband beside her clip ornaments