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E-68
Functions Input Range
tanhx 0 x 9.99999999910
99
tanh
–1
x 0 x 9.99999999910
–1
logx/lnx 0 x 9.99999999910
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
1/x x 1
10
100
;
x G
0
3
'x x 1
10
100
x!0 x
69 (
x is an integer)
nPr
0 n 110
10
, 0 r n (n, r are integers)
1 {n!/(n–r)!} 110
100
nCr
0 n 110
10
, 0 r n (n, r are integers)
1 n!/r! 110
100
or 1 n!/(n–r)! 110
100
Pol(x, y)
x, y 9.99999999910
99
x
2
+y
2
9.99999999910
99
Rec(r,
)
0 r 9.99999999910
99
θ: Same as sinx
a, b, c 110
100
°’ ” 0 b, c
x110
100
Decimal ↔ Sexagesimal Conversions
0°0'0" x 9999999°59'59"
x0: –110
100
ylogx100
^(x
y
)
x0: y0
x0: yn, (m, n are integers)
However: –110
100
ylogx100
y0: x G 0, –110
100
1/x logy100
x
'
y
y0: x0
y0: x2n1, (m G 0; m, n are integers)
However: –110
100
1/x logy100
a
b
/c
Total of integer, numerator, and denominator must be 10 digits or
less (including division marks).
m
2n+1
2n+1
m
•Precision is basically the same as that described under “Calculation Range and
Precision”, above.
•^(x
y
),
x
'y,
3
', x!, nPr, nCr type functions require consecutive internal
calculation, which can cause accumulation of errors that occur with each
calculation.
•Error is cumulative and tends to be large in the vicinity of a function’s singular
point and inflection point.
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