√
√√
√
Square Root
An instruction containing the operation"
√
√√
√
"directs the computer to:
1ST PHASE Transfer the contents of the selected register to M, while retaining them in
the original register.
2ND PHASE Extract the square root of the contents of M, as an abso
Wheel. The R register contains a nonfunctional remainder. At the end of
the operation, M contains double the square root.
___________________________________________________________________________
INSTRUCTION PHASE 1 PHASE 2 TRUNCATED RESULT________________
√ √
M
A A
R √ R
M
√
M
A A
A √ A
M
√
M
A A
b √ b
M
√
M
A A
B
√
B
M
√
M
A A
c
√
c
M
√
M
A A
C
√
C
M
√
M
A A
d
√
d
M
√
M
A A
D
√
D
M
√
M
A A
e
√
e
M
√
M
A A
E
√
E
M
√
M
A A
f
√
f
M
√
M
A A
F
√
F
M
√
M
A A
___________________________________________________________________________
EXAMPLE: Decimal Wheel set at 2.
______________________________________
M A R B _
BEFORE 5 7.00 7.00 3.00
B
√
AFTER 3.46 1.73 7.10 3.00
___________________________________________________________________________
An example of using this instruction manually would be to enter the factor (3) on the keyboard
and depress the key
√
. The extracted root will print automatically only when the instruction is
performed manually.
If the factor were in a register (e.g. B), a depression of the keys B
√
would instruct the
computer to take the square root of the contents of the B register.
3
√
1.73 A
B
√
1.73 A
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