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RPNator

RPNator

500 - 1,000 downloads

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RPNator is an RPN (Reverse Polish Notation) scientific calculator.

Features:
- Minimalistic design with large buttons.
- Long press for alternate function.
- Postfix notation (to calculate 2*3+4*5, press 2, ENTER, 3, *, 4, ENTER, 5, *, +).
- Unlimited stack.
- Three-line display.
- 16 digits precision.

Operations:
CE / AC - clear entry / clear all stack
LOAD / save - copy saved number to the top / save the current number
ENTER / drop - add the current number to the top / remove the top number
sin / asin - sine / arcsine
cos / acos - cosine / arccosine
tan / atan - tangent / arctangent
exp / pow - exponential / nth power function
sqrt/ cbrt - square / cube root
x^2 / x^3 - square / cube
1/x / root - 1/x / nth root
ln / log - natural logarithm / logarithm to base n
n! - factorial of n
ncr - number of different, unordered combinations of r objects from a set of n objects
npr - number of possibilities for choosing an ordered set of r objects (a permutation) from a total of n objects
rand - random number in a range
rad - convert from degrees to radians
deg - convert from radians to degrees
pi - enter the PI number

Recently changed in this version

- button "LAST" changed to "LOAD/save"
- factorial, number of combinations, number of permutations, random number
- bigger button "ENTER"
- various bug fixes


Screenshots RPNator
View bigger - RPNator for Android screenshot
View bigger - RPNator for Android screenshot
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