Getting Started 1-15
Keying in Numbers
The minimum and maximum values that the calculator can handle are
±9.99999999999
499
. If the result of a calculation is beyond this range, the error
message “” appears momentarily along with the
annunciator. The
overflow message is then replaced with the value closest to the overflow boundary
that the calculator can display.The smallest numbers the calculator can distinguish
from zero are ±10
-499
.If you enter a number between these values, the calculator
will display 0 upon entry.Likewise, if the result of calculation lies between these two
values, the result will be displayed as zero. Entering numbers beyond the maximum
range above will result in an error message “ ”; clearing the error
message returns you to the previous entry for correction.
Making Numbers Negative
The key changes the sign of a number.
To key in a negative number, type the number, then press ,
In ALG mode, you may press
key before or after typing the number.
To change the sign of a number that was entered previously, just press
.
(If the number has an exponent, affects only the mantissa — the non–
exponent part of the number.)
Exponents of Ten
Exponents in the Display
Numbers with explicit powers of ten (such as 4.2x10
-5
) are displayed with an E
preceding the exponent of 10. Thus 4.2x10
-5
is entered and displayed as 4.2E-5.
A number whose magnitude is too large or too small for the display format will
automatically be displayed in exponential form.
For example, in FIX 4 format for four decimal places, observe the effect of the
following keystrokes:
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General
Weight and Dimensions
