HP 20B User Manual

Mathematical Calculations
24
Figure 8 The Menu Map for the Math Menu
Press < to scroll through the menu items, starting with Trigonometry. The Trigonometry, Hyperbolic, and Probability items
have sub-menus. Press I with these items displayed to access the functions within the sub menus.
Press O to cancel the Math menu and return to current work. Press :s to return to the top of the Math menu.
For an example using the math menu to calculate Sin
-1
(0.5), see Table 2-5.

HP 20B Specifications

General

Type	Financial
Cover	-
Form factor	Pocket
Control type	Buttons
Product color	Black
Digits	12 digits
Display type	LCD
Display tilting	No
Display number of lines	2 lines
Battery type	CR2032
Power source	Battery
Auto power off	Yes
Number of batteries supported	2
Memory registers	110

Weight and Dimensions

Depth	149.2 mm
Width	77 mm
Height	16 mm
Weight	37.5 g