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- INVERSES AND DUALITY Pa
- cFf=. '(y.-32) * 5%9':''
- fFc=. '32 + (y. * 9%5)':''
- dc=. 40 -~ 20 * i. 8
- fFc dc
- _40 _4 32 68 104 140 176 212
- cFf fFc dc
- _40 _20 0 20 40 60 80 100
- % % 1 2 3
- 1 2 3
- log =. '10 ^.y.':''
- invlog=. '10 ^ y.':''
- log y=. 24 4 75 7
- 1.38021 0.60206 1.87506 0.845098
- +/ log y
- 4.70243
- invlog +/ log y
- 50400
-