HP 30b - Business Professional Calculator Quick Start Manual page 25

Table 1-3 Keys and Descriptions
Keys
:w
{
:x
:o
:j
:p
:q
:r
:s
:k
Description
Scientific notation. Displays numbers in scientific notation.
Backspace. Deletes one number at a time to the left of the
cursor, starting with the most recently entered number.
Reset menu. Resets some, or all, of the registers.
Insert. Inserts a number into a list.
Delete. Deletes a number from a list.
Calculates sine.
Calculates cosine.
Calculates tangent.
Math menu. Includes trigonometric and inverse
trigonometric functions, probability, absolute value,
logarithmic functions, and PI.
Calculates natural log.
Getting Started 19