User Manual
ERROR AND CALCULATION RANGES
Errors
An error will occur if an operation exceeds the calculation ranges,
or if a mathematically illegal operation is attempted. When an error
occurs, pressing < (or >) automatically moves the cursor
back to the place in the equation where the error occurred. Edit the
equation or press N to clear the equation.
1
x
1
x
1
x
1
x
π
2
Function Dynamic range
DEG: | x | < 4.5 × 10
10
(tan x : | x | ≠ 90 (2n–1))*
sin x, cos x, RAD: | x | < —– × 10
10
tan x (tan x : | x | ≠ – (2n–1))*
GRAD: | x | < 5 × 10
10
(tan x : | x | ≠ 100 (2n–1))*
sin
–1
x
,
cos
–1
x | x | ≤ 1
tan
–1
x,
3
¿x | x | < 10
100
In x
,
log x 10
–99
≤ x < 10
100
• y > 0: –10
100
< x ln y ≤ 230.2585092
y
x
• y = 0: 0 < x < 10
100
• y < 0: x = n (0 < | x | < 1: – = 2n–1, x ≠ 0)*,
–10
100
< x ln | y | ≤ 230.2585092
• y > 0: –10
100
< – ln y ≤ 230.2585092 (x ≠ 0)
x
¿y • y = 0: 0 < x < 10
100
• y < 0: x = 2n–1
(0 < | x | < 1 : – = n, x ≠ 0)*,
–10
100
< – ln | y | ≤ 230.2585092
e
x
–10
100
< x ≤ 230.2585092
10
x
–10
100
< x < 100
sinh x,
cosh x
| x | ≤ 230.2585092
tanh x | x | < 10
100
sinh
–1
x | x | < 5 × 10
99
cosh
–1
x 1 ≤ x < 5 × 10
99
tanh
–1
x | x | < 1
x
2
| x | < 10
50
¿x 0 ≤ x < 10
100
x
–1
| x | < 10
100
(x ≠ 0)
n! 0 ≤ n ≤ 69*
nPr 0 ≤ r ≤ n ≤ 9999999999*
0 ≤ r ≤ n ≤ 9999999999*
nCr n – r < r: n – r ≤ 69
n – r ≥ r: r ≤ 69
↔DEG, D°M’S
0°00’00.01 ≤ | x | < 10000°
π
40
Function Dynamic range
x, y → r, θ
| x |, | y | < 10
50
| – |, x
2
+ y
2
< 10
100
0 ≤ r < 10
100
r, θ → x, y
DEG: | θ | < 4.5 × 10
10
RAD: | θ | <
––
× 10
10
GRAD : | θ | < 5 × 10
10
DEG→RAD,
DRG | GRAD→DEG: | x | < 10
100
RAD→GRAD: | x | < – × 10
98
(A+Bi)+(C+Di)| A ± C | < 10
100
(A+Bi)–(C+Di)| B ± D | < 10
100
(A+Bi)×(C+Di) (AC – BD) < 10
100
(AD + BC) < 10
100
AC + BD
< 10
100
C
2
+ D
2
(A+Bi)÷(C+Di)
BC – AD
< 10
100
C
2
+ D
2
C
2
+ D
2
≠ 0
→DEC DEC : | x | ≤ 9999999999
→BIN BIN : 1000000000 ≤ x ≤ 1111111111
→OCT 0 ≤ x ≤ 111111111
→HEX OCT : 4000000000 ≤ x ≤ 7777777777
AND 0 ≤ x ≤ 3777777777
OR HEX : FDABF41C01 ≤ x ≤ FFFFFFFFFF
XOR 0 ≤ x ≤ 2540BE3FF
XNOR
BIN : 1000000000 ≤ x ≤ 1111111111
0 ≤ x ≤ 111111111
NOT OCT : 4000000000 ≤ x ≤ 7777777777
0 ≤ x ≤ 3777777777
HEX : FDABF41C01 ≤ x ≤ FFFFFFFFFF
0 ≤ x ≤ 2540BE3FE
BIN : 1000000001 ≤ x ≤ 1111111111
0 ≤ x ≤ 111111111
NEG OCT : 4000000001 ≤ x ≤ 7777777777
0 ≤ x ≤ 3777777777
HEX : FDABF41C01 ≤ x ≤ FFFFFFFFFF
0 ≤ x ≤ 2540BE3FF
* (n, r: integer)
y
x
π
40
π
2
BATTERY REPLACEMENT
Notes on Battery Replacement
Improper handling of batteries can cause electrolyte leakage or
explosion. Be sure to observe the following handling rules:
• Replace both batteries at the same time.
• Do not mix new and old batteries.
• Make sure the new batteries are the correct type.
• When installing, orient each battery properly as indicated in the
calculator.
When to Replace the Batteries
If the display has poor contrast or nothing appears on the display
even when N is pressed in dim lighting, it is time to replace the
batteries.
Caution
• Fluid from a leaking battery accidentally entering an eye could
result in serious injury. Should this occur, wash with clean water
and immediately consult a doctor.
• Should fluid from a leaking battery come into contact with your
skin or clothes, immediately wash with clean water.
• If the product is not to be used for some time, to avoid damage to
the unit from leaking batteries, remove them and store in a safe
place.
• Do not leave exhausted batteries inside the product.
• Do not fit partially used batteries, and be sure not to mix batter-
ies of different types.
• Keep batteries out of the reach of children.
• Exhausted batteries left in the calculator may leak and damage
the calculator.
• Explosion risk may be caused by incorrect handling.
• Do not throw batteries into a fire as they may explode.
Calculation Ranges
• Within the ranges specified below, this calculator is accu-
rate to ±1 in the least significant digit of the mantissa.
However, a calculation error increases in continuous calcu-
lations due to accumulation of each calculation error. (This
is the same for y
x
,
x
¿¿
¿¿
¿y, n!, e
x
, In, etc. where continuous
calculations are performed internally.)
Additionally, a calculation error will accumulate and be-
come larger in the vicinity of inflection points and singular
points of functions. (for example, calculating sinh x or tanh
x at x = 0)
• Calculation ranges
±10
-99
~ ±9.999999999×10
99
and 0.
If the absolute value of an entry or a final or intermediate result of a
calculation is less than 10
–99
, the value is considered to be 0 in
calculations and in the display.
Error Codes and Error Types
Syntax error (Error 1):
• An attempt was made to perform an invalid operation.
Ex. 2 +- 5 =
Calculation error (Error 2):
• The absolute value of an intermediate or final calculation result equals
or exceeds 10
100
.
• An attempt was made to divide by 0.
• The calculation ranges were exceeded while performing calculations.
Depth error (Error 3):
• The available number of buffers was exceeded. (There are 8 buffers*
for numeric values and 16 buffers for calculation instructions).
*4 buffers in STAT and the complex number mode.
Equation too long (Error 4):
• The equation exceeded its maximum input buffer (159 characters).
An equation must be shorter than 159 characters.