Get the flexibility no other scientific calculator can offer! Our 35s Scientific Calculator lets you choose RPN or algebraic entry-system logic (no other scientific calculator offers both). It also features a large, two-line alphanumeric display and adjustable contrast, plus a robust library of built-in functions and constants.

• Choose RPN or algebraic entry-system logic
• Work efficiently with the keystroke programming
• Efficiently tackle heavy workloads with the 30KB memory and 800+ independent storage registers
• Store an equation, then use it again to solve any variable using HP Solve, or employ any of 100 built-in functions
• View entries, results, menus, and prompts with ease on the large, two-line display with adjustable contrast
• Simplify physics with the 42 built-in physical constants
• Get peace of mind with the one-year limited warranty plus HP Total Care advice and support