Sharp PC-1403 Operation Manual page 38

32
• If
a decimal number having a fractional part is converted
into a hex number, the fractional part of the decimal
number is truncated and only its integer part is converted
i n to a hex number.
Answer:
78. HEXI
• If you attempt decimal-to-hex conversion on a negative decimal
number, the computer internally performs "two's compl e ment"
calculation and shows the result in 16's complement.
• The
r±El
key may be used to reverse the positive or negative sign
of the numeric data now in the display. If the sign of a positive hex
number is reversed, the complement of the positive number will be
obtained in the display.
Example: Convert decimal number 123.4 into its hexadecimal equivalent.
Key in: I
sH1nl ~
123.4 ~
Answer: FFFFFFFFFE. HEX!
Example: Convert decimal number -2, into its hexadecimal equi v alent.
Temporari l y clear the HEX mode with ~ I
sH1FT
I ~ .
Key in:
[TI
fill ~
To perform a new conversion, temporarily clear the HEX mode with
lsH1FTI ~.
1E. HEX
Key in: 30 ~ Answer:
To clear the Hex mode, operate I
sH1FTI ~ .
You cannot clear it with the ~ key.
1. Decimal to hex convers ion
Example: Convert decimal number 30 into its hexadecimal equival e nt:
Hex numbers A through F can be entered by first placing your computer in the Hex mode
(with ~ key), then pressi n g the respective keys shown in figure.
The symbol HEX indicates that the numeric
data shown in the display is a hex number,
and that you can perform any basic arithmetic
operations on hex numbers.
Using
as a Calculator