Ability to file alphabetically and numerically: perform simple mathematical calculations, correct errors in grammar, spelling and punctuation; deal courteously with the public both in person and on the telephone: and maintain confidentiality. Clerk perform a wide variety of general office clerical tasks which ma y include, filing alphabetically and numerically compiling information for use in reports, making mathematical calculations; performing reprographic functions, assisting with the processing of financial transactions, dealing with the public.