Error message
Algebraic sign not allowed
Cause of error
You tried to enter an algebraic sign using the -/+ key.
Error correction
- The -/+ key is non-functional.
- It is not necessary/possible to enter the algebraic sign.
Error message
Algebraic sign not allowed
Cause of error
You tried to enter an algebraic sign using the -/+ key.
Error correction
- The -/+ key is non-functional.
- It is not necessary/possible to enter the algebraic sign.