Section 1: Getting Started 19
Notice that when you press the ´ or |
prefix key, an f or g annunciator appears
and remains in the display until a function
key is pressed to complete the sequence.
Prefix Keys
A prefix key is any key which must precede another key to complete the
key sequence for a function. Certain functions require two parts: a prefix
key and a digit or other key. For your reference, the prefix keys are:
If you make a mistake while keying in a prefix for a function, press ´
CLEAR u to cancel the error. The CLEAR u key is also used
to show the mantissa of a displayed number, so all 10 digits of the number
in the display will appear for a moment after the u key is pressed.
Changing Signs
Pressing “ (change sign) will change the sign (positive or negative) of
any displayed number. To key in a negative number, press “ after its
digits have been keyed in.
Keying in Exponents
‛ (enter exponent) is used when keying in a number with an exponent.
First key in the mantissa, then press ‛ and key in the exponent.
For a negative exponent press “ after keying in the exponent.
*
For
example, to key in Planck's constant (6.6262×10
-34
Joule-seconds) and
multiply it by 50:
*
“ may also be pressed after ‛ and before the exponent, with the same result (unlike the mantissa,
where digit entry must precede “).
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