α-15
Function
Input range for real
number solutions
Internal
digits
Precision Notes
° ’ ”
← ⎯
° ’ ”
| a |, b , c < 1 × 10
100
0 < b , c
15 digits
As a rule,
precision is
± 1 at the
10th digit.*
|
x | < 1 × 10
100
Sexagesimal display:
|
x | < 1 × 10
7
^( x
y
)
x > 0:
–1 × 10
100
< y log x < 100
x = 0 : y > 0
x < 0 : y = n ,
m
––––
2
n
+1
( m , n are integers)
However;
–1 × 10
100
< y log | x | < 100
" "
• Complex numbers can be
used as arguments.
x
'
y
y > 0 : x ≠ 0
–1 × 10
100
<
1
x
log y < 100
y = 0 : x > 0
y < 0 : x = 2 n +1,
2
n
+1
––––
m
( m ≠ 0; m , n are integers)
However;
–1 × 10
100
<
1
x
log | y | < 100
" "
• Complex numbers can be
used as arguments.
a
b
/ c
Total of integer, numerator
and denominator must be
within 10 digits (includes
division marks).
" "
* For a single calculation, calculation error is ± 1 at the 10th digit. (In the case of exponential display,
calculation error is ± 1 at the last significant digit.) Errors are cumulative in the case of consecutive
calculations, which can also cause them to become large. (This is also true of internal consecutive
calculations that are performed in the case of ^(
x
y
),
x
'
y
, x ! ,
3
'
x
, n P r , n C r , etc.)
In the vicinity of a function’s singular point and point of inflection, errors are cumulative and may
become large.
Function Input range
Binary, octal,
decimal,
hexadecimal
calculation
Values fall within following ranges after conversion:
DEC: –2147483648 <
x < 2147483647
BIN: 1000000000000000 < x < 1111111111111111 (negative)
0 <
x < 111111111111111 (0, positive)
OCT: 20000000000 <
x < 37777777777 (negative)
0 < x < 17777777777 (0, positive)
HEX: 80000000 < x < FFFFFFFF (negative)
0 < x < 7FFFFFFF (0, positive)
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