
Solving a two-by-two system
If the three-equation input form is displayed and you want to solve a two-equation set, do the following:
▲
Tap .
NOTE: You can enter any expression that resolves to a numerical result, including variables. Just enter the
name of a variable.
Menu items
The menu items are as follows:
Menu item Description
Moves the cursor to the entry line where you can add or change a value. You can also highlight
a eld, enter a value, and press . The cursor automatically moves to the next
eld, where you can enter the next value and press .
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.
Menu items 303
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