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Throughout the program a standard set of arithmetical expressions is available. Every expression is ended with a semicolumn. For example
x=1; y=2.5-x; z=sin(x) + log(y) - 8e5;
The variables then could be used along with numerical constants. The if-else
clause is also available, for
example
z=1; if(z<2) y=2.5-x else y=15;