I dont understand why its not finding it. its there and its spelled correctly. Im new to packaging heres my error

..\src.\Algebra\Calculator.java:9: package Algebra.Functions does not exist import Algebra.Functions.*; ^ 1 error Press any key to continue . . .

and here is my imports

package Algebra; import java.text.*; import java.io.*; import javax.swing.JOptionPane; import javax.swing.Timer; import Algebra.Functions.*;

whats wrong?