Texas Instruments TI-89 User Manual - Page 256
Technical, Reference, For a complete description of each function and its syntax, refer to - connect
UPC - 033317196326
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Note: For a complete description of each function and its syntax, refer to the Technical Reference module. Menu Item solve factor expand zeros approx comDenom propFrac nSolve Description Solves an equation for a specified variable. This returns real solutions only, regardless of the Complex Format mode setting. Displays answers with "and" and "or" connecting solutions. (For complex solutions, select A:Complex from the Algebra menu.) Factors an expression with respect to all its variables or with respect to only a specified variable. Expands an expression with respect to all its variables or with respect to only a specified variable. Determines the values of a specified variable that make an expression equal to zero. Displays in a list. Evaluates an expression using floating-point arithmetic, where possible. This is equivalent to using 3 to set Exact/Approx = APPROXIMATE (or using 8 ¸ to evaluate an expression). Calculates a common denominator for all terms in an expression and transforms the expression into a reduced ratio of a numerator and denominator. Returns an expression as a proper fraction expression. Calculates a single solution for an equation as a floatingpoint number (as opposed to solve, which may display several solutions in a rational or symbolic form). Symbolic Manipulation 256