Casio FX-570D User's Guide download pdf (Page 19)

E-17

Original Expression:

Function Key Operation Resulting Expression

Integral 7

Derivative 17(F)

Σ Calculation 1&(8)

You can also incorporate values into the following functions.

1l($), 1i(%), !, 6, 1!(#), 1w(Abs)

Displaying Calculation Results

in a Form that Includes

'2, π,

etc. (Irrational Number Form)

When “MthIO” is selected for the input/output format, you can specify

whether calculation results should be displayed in a form that includes

expressions like '2 and π (irrational number form).

•Pressing = after inputting a calculation displays the result using

irrational number form.

•Pressing 1= after inputting a calculation displays the result

using decimal values.

Note

•When “LineIO” is selected for the input/output format, calculation

results are always displayed using decimal values (no irrational

number form) regardless of whether you press = or 1=.

• π form (form that includes π within irrational number display) display

conditions are the same as those for S-D conversion. For details,

see “Using S-D Transformation”.

Example 1: '2 +'8 = 3'2

MATH

1 !2e+!8=

Math

2 !2e+!81=

Math

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 74 75

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Casio FX-570D User's Guide Page 19