Comparison Chart for HP Scientific Calculators

HP Scientific Calculator Product Features
	HP 9s scientific calculator	HP 30s scientific calculator	HP 33s scientific calculator
Applications	Perfect for elementary and middle school students taking General Math, Pre-Algebra, Algebra, Trigonometry, Statistics, Geometry or Biology.	Designed for elementary, middle and high school students in General Math, Pre-Algebra, Algebra, Trigonometry, Statistics, Geometry, Biology, Chemistry, Physics, Earth Sciences and more.	Engineering Surveying Science Medicine
Display	1 line x 10 characters	2 lines x 10 characters	2 lines x 10 characters
Entry-System Logic	Algebraic	Algebraic	RPN& Algebraic
Built-In Functions	60+	250+	100+
Time Saving Technology	-	-	RPN HP Solve
Additional Value Added	Automatic power off Metric conversion Time Conversion Scientific display notation Engineering notation Internal 12 digits precision	Enhanced constant mode lets you change any combination of numbers, variables, functions and operators Fixed, floating, scientific and engineering notation Decimal to fraction conversion. Auto power OFF, after 10 minutes Two additional interchangeable color faceplates included	Keystroke programming Statistics, base-N, mathematical functions and fraction mode 40-physics constants Scientific engineering notation Metric conversion Complex numbers Time conversion Auto power OFF, after 10 minutes Edit, undo and delete capability
Memory Registers	1	10	31KB memory 27-independent memory/storage and recall math statistics programs
Menus, Prompts, etc.	No	No	Yes
Keyboard	Numbers	Numbers	Alphanumeric

Compare HP 6s - 30s - 20s