Solve a two-by- two system

If the three-equation input form is displayed and you want to solve a two- equation set, tap

.

N o t e You can enter any expression that resolves to a numerical result, including variables. Just enter the name of a variable. For more information on assigning values to variables, see “Storing a value in a variable” on page 42.

Menu items

The menu items are:

: moves the cursor to the entry line where you can add or change a value. You can also highlight a field, enter a value, and press E. The cursor automatically moves to the next field, where you can enter the next value and press E.

: displays the page for solving a system of 2 linear equations in 2 variables; changes to when active

: displays the page for solving a system of 3 linear equations in 3 variables; changes to when active.

Linear Solver app

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HP Prime Graphing NW280AAABA manual Menu items, Solve a two-by- two system