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Solve App
The Solve app enables you to define up to ten equations, each with as many variables as you like. You can solve a single
equation for one of its variables, based on a seed value. You can also solve a system of equations (linear or non-linear), again
using seed values. To open the Solve app, press
I and select Solve. The app opens in Symbolic view.
Symbolic view The Symbolic view enables you to specify the equations, each with as many
variables as you like. The variables must all be uppercase.
The menu items are:
• : moves the cursor to the entry line where you can add a new equation or change a
selected equation
• : selects or deselects an equation for solving
• : enters the equals sign
• : displays the selected equation in textbook format in full-screen view (with vertical and horizontal scrolling enabled)
• : resolves references when one equation is defined in terms of another
Numeric view Press M to display the Numeric view. In the Solve app, the Numeric view is
not a table of evaluations (as it is in the Function app). Instead, it is an input form for you to enter
values for the known variables. You then move the cursor to the unknown variable and tap
.
You can enter a seed value for the unknown variable in case there are multiple solutions. The menu
items are:
• : moves the cursor to the entry line where you can add or change a value
• : supplies information about the nature of the solution found; it only appears if you are
solving one equation
• : calculates the highlighted variable based on the values of the other variables