Created
May 6, 2020 14:18
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My first Erlang program
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| -module(first). | |
| -export([double/1,mult/2,area/3,square/1,treble/1]). | |
| mult(X,Y) -> | |
| X*Y. | |
| double(X) -> | |
| mult(2,X). | |
| area(A,B,C) -> | |
| S = (A+B+C)/2, | |
| math:sqrt(S*(S-A)*(S-B)*(S-C)). | |
| square(X) -> | |
| X*X. | |
| treble(X) -> | |
| X*X*X. |
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