Casio FX-9860GII-L-IH User Guide - Page 576
Input Ranges
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α-2-1 Input Ranges 2 Input Ranges Function Input range for real number solutions sinx cosx tanx (DEG) |x| < 9 × (109)° (RAD) |x| < 5 × 107πrad (GRA) |x| < 1 × 1010grad Internal digits 15 digits sin-1x cos-1x |x| < 1 " tan-1x |x| < 1 × 10100 sinhx coshx |x| < 230.9516564 " tanhx |x| < 1 ×10100 sinh-1x |x| < 1 × 10100 cosh-1x 1< x < 1 × 10100 " tanh-1x |x| < 1 logx Inx 1 × 10-99 < x < 1 × 10100 " 10x -1 × 10100 < x < 100 ex -1 × 10100 " < x < 230.2585092 x 0 < x < 1 × 10100 x2 |x| < 1 × 1050 " 1/x |x| < 1 × 10100, x ≠ 0 3x |x| < 1 × 10100 " 0 < x < 69 x! (x is an integer) " nPr nCr Result < 1 × 10100 n, r (n and r are integers) 0 < r < n, n < 1 × 1010 " Precision Notes As a rule, precision is ±1 at the 10th digit.* However, for tanx: |x| ≠ 90(2n+1): DEG |x| ≠ π/2(2n+1): RAD |x| ≠ 100(2n+1): GRA " Important! • sinh and tanh become singular points when x = 0. " In this vicinity, errors become cumulative and accuracy deteriorates. " • Complex numbers can be " used as arguments. " • Complex numbers can be used as arguments. " • Complex numbers can be used as arguments. " • Complex numbers can be used as arguments. " " 2007501401