Return, 52

Roll stack down, 31

Roll stack up, 31

Rounding display, 19–21

R P(rectangular polar conversion), 37, 40–41

R/S (run/stop), 56

RTN (return), 53

Run/stop, 56

RUN. See W/PRGM—RUN switch.

S

Scientific Display, 20

Scientific notation, data entry, 23–24

Scratch register R9, 29–30

Service, Appendix C, (85–93)

SF1, SF2 (set flag 1, set flag 2), 59–61

Sign

of exponents, 23–24

of numbers, 7

SIN (sine/arc sine), 37, 39–40

Single step, 51, 76

Skip, two step, 63

Square, 45–46

Square root, 45–46

SST (single step), 51, 76

Stack, operational, 8

arithmetic, 7–11

clearing, 13

drop, 9

lift, 26

manipulation, 31–33

Starting a program, 52, 56

Step, program, 51

Stepping through a program, 48–51, 76

STK (clear stack), 18

STO (store), 27–30

Stopping a program, 56

Storing in register Rn, 27–30

Storage register arithmetic, 30