TEXAS INSTRUMENTS TI-59
0.
ANGLE MODE:
DEG
RAD
GRAD
A'
A
B'
B
C'
C
D'
D
E'
E
2nd
INV
log
lnx
deg
CE
rad
CLR
xt
LRN
int
SST
cms
BST
exc
IND
prd
GTO
ind
x²
inv
√x
|x|
1/x
x=t
Pause
arcsin
sin
lbl
STO
stflg
RCL
p->r
SUM
mean
yⁿ
arccos
cos
nop
EE
op
7
lbl
8
x>=t
9
÷
dsz
lbl
sto
4
rcl
5
sum
6
×
write
R/S
10^x
1
e^x
2
pi
3
−
ifflg
RST
0
tg
.
ctg
+/−
add
+
Stephaniia Bubnova, 2026