Operations marked with a † perform a stack drop (X := Y op X; Y := Z; Z := T; T is unchanged)

+ Add (X := Y + X) †

− Subtract (X := Y − X) †

× Multiply (X := Y × X) †

÷ Divide (X := Y / X) †

ENTER Push value onto stack

x⇆y Exchange X and Y stack values

R ↓ Roll stack downward

CHS Change sign

EEX Set exponent

CLx Clear X value

fLAST x Recall last X value

fPREFIX Clear f / g prefix key

gPREFIX Clear f / g prefix key

fPRGM Go to location 00 (RUN mode); Clear program data (PRGM mode)

fREG Clear register data

fSTK Clear stack data

STOn Store X in Rn (Rn := X)

STO•n Store X in scratchpad register R.n (R.n := X)

STO+n Add X to Rn (Rn := Rn + X)

STO−n Subtract X from Rn (Rn := Rn − X)

STO×n Multiply Rn by X (Rn := Rn × X)

STO÷n Divide Rn by X (Rn := Rn / X)

RCLn Recall data from Rn and push onto stack (X := Rn)

RCL•n Recall data from R.n and push onto stack (X := R.n)

g% Calculate percentage (X := X × Y / 100) †

g1/x Calculate the reciprocal of X

gx ! Calculate X factorial

fln Calculate the natural log of X

ge^x Raise e to the X power

flog Calculate the log base 10 of X

g10^x Raise 10 to the X power

fsin Calculate the sine of X

fcos Calculate the cosine of X

ftan Calculate the tangent of X

gsin^-1 Calculate the arcsine of X

gcos^-1 Calculate the arccosine of X

gtan^-1 Calculate the arctangent of X

f√x̅ Calculate the square root of X

gx² Calculate the square of X

fy^x Raise Y to the X power (X := Y ** X) †

gπ Push π onto the stack

R/S Run/stop program execution

fPAUSE Pause program execution for 1 second (PRGM mode)

gNOP No operation (PRGM mode)

SST Single step program

BST Back step program

gINS Insert a NOP instruction after the current location (PRGM mode)

gDEL Delete instruction at the current location (PRGM mode)

GTOnn Go to program location nn

Branch instructions skip the next instruction if the condition is false (PRGM mode)

fx < y Compare X < Y

gx < 0 Compare X < 0

fx ≥ y Compare X ≥ Y

gx ≥ 0 Compare X ≥ 0

fx ≠ y Compare X ≠ Y

gx ≠ 0 Compare X ≠ 0

fx = y Compare X = Y

gx = 0 Compare X = 0

fFIXn Set display to n digit fixed point mode

fFIX• Set display to floating point precision

fSCIn Set display to n digit scientific mode

fSCI• Set display to floating point scientific mode

fENGn Set display to n digit engineering mode

fENG• Set display to floating point engineering mode

gDEG Set angle mode to degrees

gRAD Set angle mode to radians

gGRD Set angle mode to grads

Σ+ Accumulate statistic values (n, Σx, Σx², Σy, and Σxy)

fΣ− Remove data from accumulated statistics

fx̅ Calculate the average value of X

fs Calculate the standard deviation of X

fINT Return the integer portion of X

gFRAC Return the fractional portion of X

gABS Calculate the absolute value of X

f→ R Convert X / Y to rectangular coordinates, where r = X and θ = Y

g→ P Convert X / Y to polar coordinates (X := r; Y := θ)

f→ H.MS Convert decimal value X to hour / minute / second (H.MMSSss) format

g→ H Convert hour / minute / second value X to decimal