y:
x:
deg
rad
grad
y^x
e^x
10^x
C x
1/x
ln
log
C st
x²
asin
acos
atan
sqrt
sin
cos
tan
E
swp
R dn
pi
Enter
Sto
Rcl
±
7
8
9
÷
4
5
6
×
1
2
3
-
0
·
RPN
+
RPN Scientific Calculator
This calculator uses Reverse Polish Notation (
RPN
), which is found predominantly on Hewlett Packard calculators. Like my HP-42S, it features a four-line stack, with only the bottom two lines of the stack visible.
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- Darin Franklin |
dfranklin@pobox.com