Texas Instruments TI-36X Pro User Manual - Page 73
Infinite Solutions - fractions
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• For TAN: x = 90¡, -90¡, 270¡, -270¡, 450¡, etc., and equivalent for radian mode. • For SIN-1 or COS-1: |x| > 1. • For nCr or nPr: n or r are not integers | 0. • For x!: x is not an integer between 0 and 69. EQUATION LENGTH ERROR - An entry exceeds the digit limits (80 for stat entries or 47 for constant entries); for example, combining an entry with a constant that exceeds the limit. Exponent must be Integer - This error is returned if the exponent is not an integer. FORMULA - The formula does not contain a list name (L1, L2, or L3), or the formula for a list contains its own list name. For example, a formula for L1 contains L1. FRQ DOMAIN - FRQ value (in 1-Var and 2-Var stats) < 0. Highest Degree coefficient cannot be zero - This error is displayed if a in a Polynomial solver calculation is prepopulated with zero, or if the you set a to zero and you move the cursor to the next input line. Infinite Solutions -The equation entered in the System of linear equations solver has an infinite number of solutions. Input must be Real -This error is displayed if a variable prepopulates with a non-real number where a real number is required and you move the cursor just past that line. The cursor is returned to the incorrect line and you must change the input. Input must be non-negative integer - This error is displayed when an invalid value is input for x and n in the DISTR menus. INVALID EQUATION - This error is returned when: • The calculation contains too many pending operations (more than 23). If using the Stored operation feature (op), you attempted to enter more than four levels of nested functions using fractions, square roots, exponents with ^, x y , ex, and 10x. 73