Omron CJ - REFERENCE MANUAL 02-2010 Reference Manual page 573

Function
SQRTD(857) calculates the square root of the double-precision (64-bit) floating-point number in words
S to S+3 and places the result in words D to D+3. (The floating point source data must be in IEEE754
format.)
The following diagram shows the relationship between the input data and result.
CS/CJ/NSJ Series Instructions Reference Manual (W474)
S+3 S+2 S+1 S
R
D+3 D+2 D+1 D
S: Input data
R: Result
3. Instructions
3
537