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To select between the ALG vs. RPN operating mode, you can also set/
clear system flag 95 through the following keystroke sequence:
H @FLAGS! 9˜˜˜˜ `
Number Format and decimal dot or comma
Changing the number format allows you to customize the way real
numbers are displayed by the calculator. You will find this feature
extremely useful in operations with powers of tens or to limit the number of
decimals in a result.
To select a number format, first open the CALCULATOR MODES input form
by pressing the
H button. Then, use the down arrow key, ˜, to select
the option Number format. The default value is Std, or Standard format. In
the standard format, the calculator will show floating-point numbers with
no set decimal placement and with the maximum precision allowed by the
calculator (12 significant digits).”To learn more about reals, see Chapter 2
in this guide. To illustrate this and other number formats try the following
exercises:
Standard format
This mode is the most used mode as it shows numbers in the most familiar
notation. Press the !!@@OK#@
soft menu key, with the Number format set to Std,
to return to the calculator display. Enter the number 123.4567890123456
(with16 significant figures). Press the
` key. The number is rounded to
the maximum 12 significant figures, and is displayed as follows:
Fixed format with decimals
Press the H button. Next, use the down arrow key, ˜, to select the
option Number format. Press the @CHOOS soft menu key, and select the
option Fixed with the arrow down key
˜.
+
(3
× (5 - 1/(3 × 3)))/23
3
+
e
2.5
= 12.18369, into lev. 1.
R
√((3 × (5 - 1/(3×3)))/23
3
+
e
2.5
) = 3.4905156, into 1.
SG49A.book Page 10 Friday, September 16, 2005 1:31 PM