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Halcyon Calc
Halcyon Calc Lite
Poll
What feature do you want in Halcyon Calc v4.1
Stats plotting
15%
Implement the FORM operation
31%
Built-in catalog of operations
8%
Built-in catalog of units
8%
Printing support
0%
iCloud support for user variables
23%
Other (add a comment)
15%
Total votes: 13
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Halcyon Calc v4.0 Available
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PERM
Member Of Menu:
Stat
Argument Types:
Real
Symbol
Expression
Result Type(s):
Real
Expression
Invertible:
No
Valid In Expression:
Yes
Stack Diagram:
Real
1
Real
2
→
Real
3
Symbol
1
Symbol
2
→
Expression
3
Expression
1
Expression
2
→
Expression
3
This operation calculates the number of
permutations
given Real
1
items taken Real
2
at a time.