HP Prime Graphing NW280AAABA manual Entry and edit keys, Primary entry and edit keys are

There are two types of buttons on the context-sensitive menu:

•menu button: tap to display a pop-up menu. These buttons have square corners along their top (such as in the illustration above).

•command button: tap to initiate a command. These

buttons have rounded corners (such as in the illustration above).

Entry and edit keys

The primary entry and edit keys are:

KeysPurpose

Nto r Enter numbers

Oor J Cancels the current operation or clears the entry line.

EEnters an input or executes an operation. In calculations, E

acts like “=”. When or

is present as a menu key, Eacts the same as pressing or .

QFor entering a negative number. For example, to enter –25, press Q25. Note: this is not the same operation that is performed by the subtraction key (w).

FMath template: Displays a palette of pre-formatted templates repre- senting common arithmetic expres- sions.

dEnters the independent variable (that is, either X, T, θ, or N, depend- ing on the app that is currently active).

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