/in/calc.cpp:96:14: error: 6 enumeration values not handled in switch: 'NEGATE', 'DUPL', 'PRINT'... [-Werror,-Wswitch]
                                        switch (tempOptr){
                                                ^
/in/calc.cpp:131:14: error: 8 enumeration values not handled in switch: 'PLUS', 'MINUS', 'MULTI'... [-Werror,-Wswitch]
                                        switch (tempOptr){
                                                ^
/in/calc.cpp:147:13: error: 8 enumeration values not handled in switch: 'PLUS', 'MINUS', 'MULTI'... [-Werror,-Wswitch]
                                switch (tempOptr){
                                        ^
3 errors generated.
/in/Compile/Makefile:44: recipe for target 'buildCalc' failed
make: *** [buildCalc] Error 1