Composes, types, edits, and proofreads a variety of complex documents, including forms, memos, statistical and analytical reports, organization charts, program plans, and correspondence for department staff from rough draft, dictation equipment, handwritten copy, verbal instructions, or from other material using a computer; inputs and retrieves data and text using a computer terminal; checks draft documents for punctuation, spelling, and grammar; makes or suggests corrections to drafts. Assists with the preparation of the department budget, including gathering and analyzing data related to expenditures and projected charges; monitors budget expenditures and revenues; initiates department purchases for office supplies and other items as assigned; authorizes payment of invoices; processes department requisitions and appropriation transfers; assists in the development of contracts; develops special statistical reports regarding budgetary information.