Description For business professionals and students, the versatile HP 30b Business Professional has an intuitive layout, high-speed processor and 2-line display for fast answers. Add custom calculations for school or work with convenient programming capability. Business professionals and students alike will appreciate the versatile, programmable HP 30b Business Professional. With an extensive library of finance, business, real estate, and statistical functions, it’s easy to use and learn. The intuitive layout, fast processor, and 2-line alphanumeric display give you quick answers. Add custom calculations for your course curriculum or line of business with convenient programming capability.