Casio FX-55 User Manual download pdf (Page 15)

E-14

l= F=5,

When further simplification is not possible, “Simplified” appears momentarily

on the display and then the calculation result is displayed.

When a divisor of 3 is specified:

18 ' 21 =l 3 = F=3,

or 18 ' 21 el 3 = F=3,

Calculation Ranges, Number of Digits,

and Precision

The calculation range, number of digits used for internal calculation, and

calculation precision depend on the type of calculation you are performing.

Calculation Range and Precision

Calculation Range

±1 × 10

–99

to ±9.999999999 × 10

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

–9.999999999 × 10

 x  99.99999999

0  x  1 × 10

100

|x|  1 × 10

–1

|x|  1 × 10

100

; x G 0

°’ ”

a|, b, c  1 × 10

100

; 0  b, c

The display seconds value is subject to an error of ±1 at

the second decimal place.

x  0: –1 × 10

100

 ylogx  100

x = 0: y  0

x  0: y = n,

(m, n are integers)

However: –1 × 10

100

 ylog |x|  100

Total of integer, numerator, and denominator must be

10 digits or less (including division marks).

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Casio FX-55 User Manual Page 15

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