Texas Instruments TI-84 PLUS SILV Guidebook - Page 52

squares next to the previous solution and leftNrt=diff disappear. Move the cursor to the variable for which you now want to solve and press ƒ \. Controlling the Solution for Solver or solve( The TI-84 Plus solves equations through an iterative process. To control that process, enter bounds that are relatively close to the solution and enter an initial guess within those bounds. This will help to find a solution more quickly. Also, it will define which solution you want for equations with multiple solutions. Using solve( on the Home Screen or from a Program The function solve( is available only from CATALOG or from within a program. It returns a solution (root) of expression for variable, given an initial guess, and lower and upper bounds within which the solution is sought. The default for lower is L1â99. The default for upper is L1â99. solve( is valid only for real numbers. solve(expression,variable,guess[,{lower,upper}]) expression is assumed equal to zero. The value of variable will not be updated in memory. guess may be a value or a list of two values. Values must be stored for every variable in expression, except variable, before expression is evaluated. lower and upper must be entered in list format. MathPrint™ Classic MATH NUM (Number) Operations MATH NUM Menu To display the MATH NUM menu, press  ~. MATH NUM CPX PRB 1: abs( Absolute value 2: round( Round 3: iPart( Integer part Chapter 2: Math, Angle, and Test Operations 45