Vintage Graphing Calculator
Enter mathematical function
7
8
9
/
CE
4
5
6
×
C
1
2
3
-
Grid
0
.
(
)
+
sin
cos
tan
^
Graph
log
ln
√
|x|
x
asin
acos
atan
π
e
Zoom+
Zoom-
x²
x³
%
X Range:
Y Range: