Checking core structure...
compile_project:10: no matches found: *.in
rm -f calc-core.jar `find . -name \*.class`
(cd src; javac -encoding UTF-8 `find . -name \*.java`)
./calc/FolhaDeCalculo.java:22: error: not a statement
	  celula.getConteudo;
	        ^
./calc/F.Intervalo.java:4: error: '{' expected
public class F.Intervalo extends Funcoes {
              ^
2 errors
make: *** [all] Error 1