• An interactive multimedia tutorial to get you up and running quickly.
• Write checks - print computer checks, singularly or in batches.
• Manage billing and invoicing - prepared forms for invoices & quotes, track each invoice until it’s paid.
• Manage purchasing and pay bills - track who you owe, how much and when due; print payment and purchase analysis reports, and 1099 forms; calculate early payment discounts.
• Profit from sales and receivables - handle cash sales; track customer receipts and deposits; print receipts and sales analysis reports; calculate sales tax, discounts, finance charges and print statements, and check credit limits automatically.
• Do payroll - use flexible pay periods: daily, weekly, bi-weekly, monthly, semi-monthly, annually; handle salary, hourly, tipped and commissioned employees; calculate FICA, federal, state and local taxes, and print W-2s and 941 quarterly information (has pre-defined tax tables with optional Payroll Tax Service).
• General ledger control - handle up to 99 departments, generate clear audit trails.
• Track jobs/projects - track income, expenses and hours; track actual vs. budget information; group jobs by phase.
• Track inventory - track products and services, quantity on hand and reorder point, and handle up to 3 price codes per item 
• Manage your banking - create bank deposits; print deposit reports and check registers; reconcile bank accounts; use automatic deposit.
• Budget better - automatically generate monthly budgets; print budget vs. actual reports and calculate dollar variance.
• Utilize reports and graphs - choose from over 80 reports and 10 graphs; export and e-mail reports in MS Word and Excel, Lotus 1-2-3, WordPerfect and ASCII.
• Password protect a function, company, or the entire system.
• Track vacation and sick time.

Everything is geared to the beginning business person, ready to automate accounting so they can spend more time running the business, and less time managing the books. And as your business grows, Peachtree also has more advanced software in accounting, reporting, credit card service, website creation and Peachtree 2000.

Unlike most other accounting products, One-Write Plus allows payroll customers to modify their own tax tables. Customers also have the option of subscribing to the One-Write Plus Tax Service. The Tax Service guarantees that customers receive automatic updates of all regulatory changes for their state and Federal Payroll taxes, 1099 forms, and W-2's during the subscription period. 

One-Write Plus is supported by Peachtree Software with a variety of options designed to meet the needs of all types of small businesses: 

All new customers automatically receive 30 days of free support from the time of registration. All One-Write Plus customers can choose from a variety of Support Plans including: Premium Support, Telephone Support, Pay-per-call Support, and Internet Support. Fax-on-Demand Service provides small businesses the ability to order technical information to be delivered via fax.
 
The real strength of this program is the way it can shake and bake your entered business data and provide the owner the following timely reports:

• Cash flow statement
• Sales tax
• Income statement
• Balance sheet
• Budget vs actual
• Trial balance
• Aging (Receivables & Payables)
• Sales analysis
• Purchase analysis
• Check register
• Bank reconciliation
• Bank deposit
• Payroll analysis
• Quarterly tax liability

System Requirements
16 MB RAM, CD-ROM drive,Microsoft Windows 3.1/95/98/ME, Windows NT 4.0 with Service Pack 4, Windows 2000, Windows XP,DOS 3.3 or higher, Hard disk with minimum 40 MB free, SVGA monitor (256 color), 16 bit sound card (for demo sound), Mouse, Windows compatible printer, Single user system only.

I found One-Write Plus on the Web priced from 79.95 to 90.95.