+                      A accumulator is address 0037
 +                      B accumulator is address 0089
 +                      K accumulator is address 0057
 +                      branch to address 0026 to resume execution of FDS operations on next address
 +                      
 +                      Floating point format EE mmmm mmmm
 +                      FDS instruction:      + AAAA OP AAAA BBBB-
 +                      IBM 650 instruction:  + AAAA OP (DA) (IA)
 +                      
 +                      constants
 + 0500  50 0000 0000    0.0 floating point                         
 + 0501  50 1000 0000    1.0 floating point                         
 + 0502  00 0000 0001    decimal 1
 + 0503  00 0000 0010    decimal 10 max number of results
 + 0504  00 0000 0000    decimal zero
 + 0505  00 1100 0000    start of interpretive FDS program
 +
 +                      variables
 + 0510  00 0000 0000    N float                      
 + 0511  00 0000 0000    sqrt(n)
 + 0512  00 0000 0000    iteration count
 +
 +                      Main FDS program
 + 
 + 1100  01 0510 0501-   FDS A(N=0510) + B(1.0=0501) -> K
 + 1101  69 0057 1201    ld dist<-K
 + 1201  24 0510 1202    std 0510 N<-K
 + 1202  60 0512 1203    rau 0512 acc=iteration count
 + 1203  10 0502 1204    au  0502 acc=acc+1
 + 1204  21 0512 1205    stu 0512 interation count=acc
 + 1205  11 0503 1206    su  0503 compare with max num of iterations
 + 1206  46 0026 9999    brmin continue interpretation, else stop
 + 1102  16 0510 0511-   FDS sqrt(A(N=0510)) -> B (0511)
 + 1103  69 0512 1210    ld iteration count
 + 1210  24 0977 1211    std word1 punch area
 + 1211  69 0510 1212    ld N float
 + 1212  24 0978 1213    std word2 punch area
 + 1213  69 0511 1214    ld sqrt(N) float
 + 1214  24 0979 1215    std word3 punch area
 + 1215  71 0977 0026    pch  Iteration num    N float  sqrt(N) float, then continue interpretation
 + 1104  12 1100 0000-   FDS BR A(=1100)
 +
 + 1000  69 0504 1001    ld dist=0 decimal
 + 1001  24 0512 1002    std iteration count
 + 1002  69 0500 1003    ld dist=0 float
 + 1003  24 0510 1004    std N
 + 1004  65 0505 0420    ral acc=start of interpretive program, start interpretation
 +
 +                       should print
 +
 +                       00 0000 0001  50 1000 0000  50 1000 0000
 +                       00 0000 0002  50 2000 0000  50 1414 2135
 +                       00 0000 0003  50 3000 0000  50 1732 0508
 +                       00 0000 0004  50 4000 0000  50 2000 0000
 +                       00 0000 0005  50 5000 0000  50 2236 0679
 +                       00 0000 0006  50 6000 0000  50 2449 4897
 +                       00 0000 0007  50 7000 0000  50 2645 7513
 +                       00 0000 0008  50 8000 0000  50 2828 4271
 +                       00 0000 0009  50 9000 0000  50 3000 0000
 +
 +                       iteration num N=1..9 float  sqrt(N) float
 +
 +g1000                  transfer card. Start execution at addr 1000