G_NONE    = $00 ; NO KEY
G_TAN     = $16 ; TAN
G_XTO     = $28 ; x,T,theta|
G_DOWN    = $01 ; DOWN
G_VARS    = $17 ; VARS
G_ON      = $29 ; ON
G_LEFT    = $02 ; LEFT
G_PERIODE = $19 ; .
G_STO     = $2A ; STO>
G_RIGTH   = $03 ; RIGHT
G_RIGHT   = $03 ; RIGHT
G_2       = $1A ; 2
G_LN      = $2B ; LN
G_UP      = $04 ; UP
G_5       = $1B ; 5
G_LOG     = $2C ; LOG
G_ENTER   = $09 ; ENTER
G_8       = $1C ; 8
G_SQR     = $2D ; X^2
G_PLUS    = $0A ; +
G_LPARAN  = $1D ; (
G_INVERSE = $2E ; X^-1
G_MINUS   = $0B ; -
G_COS     = $1E ; COS
G_MATH    = $2F ; MATH
G_TIMES   = $0C ; *
G_PRGM    = $1F ; PRGM
G_ALPHA   = $30 ; ALPHA
G_DIV     = $0D ; /
G_STAT    = $20 ; STAT
G_GRAPH   = $31 ; GRAPH
G_POWER   = $0E ; ^
G_0       = $21 ; 0
G_TRACE   = $32 ; TRACE
G_CLEAR   = $0F ; CLEAR
G_1       = $22 ; 1
G_ZOOM    = $33 ; ZOOM
G_NEG     = $11 ; (-)
G_4       = $23 ; 4
G_WINDOW  = $34 ; WINDOW
G_3       = $12 ; 3
G_7       = $24 ; 7
G_YEDIT   = $35 ; Y=
G_6       = $13 ; 6
G_COMMA   = $25 ; ,
G_2nd     = $36 ; 2nd
G_9       = $14 ; 9
G_SIN     = $26 ; SIN
G_MODE    = $37 ; MODE
G_RPARAN  = $15 ; )
G_MATRIX  = $27 ; MATRIX
G_DEL     = $38 ; DEL