HP 33s Scientific manual Using Menus, HP 33s Menus Chapter Name, Programming Instructions

Using Menus

There is a lot more power to the HP 33s than what you see on the keyboard. This is because 14 of the keys are menu keys. There are 14 menus in all, which provide many more functions, or more options for more functions.

HP 33s Menus

	Menu								Menu		Chapter
	Name								Description
									Numeric Functions
				ˆ	ˆ
L.R.							T P E				11
			º ¸
			Linear regression: curve fitting and linear estimation.
x ,		y							·		11
				º		¸		º
			Arithmetic mean of statistical x– and y–values;
			weighted mean of statistical x–values.
s,σ			Uº U¸ σº σ¸								11
			Sample standard deviation, population standard
			deviation.
CONST			Functions to use 40 physics constants—refer to								4
			" Physics constants" on page 4–8.
SUMS			Q;º;¸;º;¸;º¸								11
			Statistical data summations.
BASE			 % ! 								11
			Base conversions (decimal, hexadecimal, octal, and
			binary).
									Programming Instructions
FLAGS			   @								13
			Functions to set, clear, and test flags.
x?y			≠ ≤ < > ≥ =								13
			Comparison tests of the X–and Y–registers.
x?0			≠ ≤ < > ≥ =								13
			Comparison tests of the X–register and							zero.

Getting Started 1–7