Started work on making edit work with cells, referenced by formulas

1 files changed, 2 insertions, 2 deletions

diff --git a/src/Models/Cell.h b/src/Models/Cell.h
index 73a6071..4bed4de 100644
--- a/src/Models/Cell.h
+++ b/src/Models/Cell.h
@@ -6,8 +6,8 @@
 
 class Cell {
 public:
-	virtual double getNumeralValue() = 0;
-	virtual String getValueForPrint() = 0;
+	virtual double getNumeralValue() const = 0;
+	virtual String getValueForPrint() const = 0;
 	virtual void parseAndSetValue(const char* str) = 0;
 	virtual void readFromFile(std::ifstream& file) = 0;
 	virtual void writeToFile(std::ofstream& file) = 0;