E-24
  Calculation Range and Precision 
 Calculation Range 
  ±  1  ×  10 
–99 
 to  ± 9.999999999  ×  10 
99 
 or 0 
 Number of Digits for Internal 
Calculation 
 15 digits 
 Precision 
 In general,  ± 1 at the 10th digit for a single 
calculation. Precision for exponential 
display is  ± 1 at the least significant digit. 
Errors are cumulative in the case of 
consecutive calculations. 
  Function Calculation Input Ranges and Precision 
 Functions  Input Range 
  sin  x  
 DEG 
 0    |  
x  |    9  ×  10 
9  
 RAD 
 0    |  
x  |    157079632.7 
 GRA 
 0    |  
x  |    1  ×  10 
10  
  cos  x  
 DEG 
 0    |  
x  |    9  ×  10 
9  
 RAD 
 0    |  
x  |    157079632.7 
 GRA 
 0    |  
x  |    1  ×  10 
10  
  tan  x  
 DEG 
 Same as sin 
x , except when  |  x  |  = (2 n –1)  ×  90. 
 RAD 
 Same as sin 
x , except when  |  x  |  = (2 n –1)  × π /2. 
 GRA 
 Same as sin 
x , except when  |  x  |  = (2 n –1)  ×  100. 
  sin  
–1  
x  
 0    |  x  |    1 
  cos  
–1  
x  
  tan  
–1  
x  
 0    |  x  |    9.999999999  ×  10 
99  
  sinh  x  
 0    |  x  |    230.2585092 
  cosh  
x  
  sinh  
–1  
x  
 0    |  x  |    4.999999999  ×  10 
99  
  cosh  
–1  
x  
 1    x    4.999999999  ×  10 
99  
  tanh  x  
 0    |  x  |    9.999999999  ×  10 
99  
  tanh  
–1  
x  
 0    |  x  |    9.999999999  ×  10 
–1  
  log  x  /ln  x  
 0    x    9.999999999  ×  10 
99  
  10  
x  
 –9.999999999  ×  10 
99 
   x    99.99999999 
  e  
x  
 –9.999999999  ×  10 
99 
   x    230.2585092 
 
'
x
 
 0    
x     1  ×  10 
100  
  x  
2  
  |  x  |     1  ×  10 
50  
  x    
–1  
  |  x  |     1  ×  10 
100 
 ;  x  G 0 
  3  
'x  
  |  x  |     1  ×  10 
100  
  x  ! 
 0    
x    69 ( x  is an integer) 
  n  P  r  
 0    
n    1  ×  10 
10 
, 0    r    n  ( n ,  r  are integers)
  1    { n !/( n – r )!}    1  ×  10 
100  
  n  C  r  
 0    
n    1  ×  10 
10 
, 0    r    n  ( n ,  r  are integers)
  1    n !/ r !    1  ×  10 
100 
 or 1    n !/( n – r )!    1  ×  10 
100