Datexx DS-700-30Xa owner manual Mixed Fractions, Mixed/improper fraction key, 10 ab/c, Memory Keys

Mixed Fractions

Enter: Integer ab/c Numerator ab/c Denominator Ex. 4 ab/c 6 ab/c 7 = 4 6/7

4_ 6_ 7 is displayed

Up to 3 digits may be used for the Integer, numerator or denominator up to a total of 8 digits.

Press ab/c to change the displayed number from a fraction to a decimal number.

d/c Mixed/improper fraction key

Press to convert mixed fractions to improper frac- tions:

Press	Displayed
10 ab/c 3	10 _ 3
INV d/c =	3 _ 1 _ 3
INV d/c 10 _ 3

X<–>Ykey. Press to reverse the operand and the operator for multiplication and division.

123 x 456 ÷ 789 INV X<–>Y =

(0.01406718)

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Memory Keys

M+ Press to add the displayed number to the inde- pendent memory

Min Press to store the displayed number in the inde- pendent memory

MR Press to recall the number in memory.

X–>MDisplay/Independent Memory Exchange key. Press to exchange the displayed number with the contents of the independent memory and vice versa.

Binary/Octal/Hexadecimal keys

Enter numbers with the following keys:

Binary Keys	0 – 1
Octal keys	0 – 7
Hexadecimal keys	0–9,A,B,C,D,E,F
Remember to first press:

MODE 2 for Binary, MODE 3 for Octal,

MODE 4 for Hexadecimal.

NEG key: Press to change to the complement in Binary/Octal or Hexadecimal modes. Press again to change the complement back to the original value.

BINARY – MODE 2
Press	101010 NEG	1111010110. is displayed
Octal – MODE 3
Press	123456 NEG	7777654322. is displayed
Hexadecimal – MODE 4
Press	789 A B C NEG	FFFF876544. is displayed

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