Updated June 9, 2025

ProsCons
Iconic and durable buildSteep learning curve for RPN
Extremely fast RPN input for prosSmall screen by today’s standards
Long battery life (often years)No graphing or statistical plotting
Approved for CFP and CFA exams
ProsCons
Easy-to-learn interfaceSlower than HP 12C for complex entries
Widely accepted on examsButton layout can feel cramped
Affordable price pointBuild quality is basic
Robust financial functions
ProsCons
Affordable and user-friendlyNot allowed for CFA exams
Dual-line display with scrollingPlastic feel may seem cheap
Includes statistical calculationsBattery replacement can be tricky
Can convert between periods (monthly, quarterly, etc.)
ProsCons
Large keypad and screen—great for frequent useBulky desktop form
Dedicated loan and amortization keysLacks more advanced financial/statistical features
Budget-friendly
ProsCons
Fast processing speedBuild feels a bit cheap
Extensive financial and statistical toolsButtons are small for larger hands
More intuitive than HP 12CNot programmable
Affordable and exam-approved