
•Cause
•A calculation formula or program formula contains an error.•There is a colon (:) or output command (^) at the end of the program.•Action
•Press e or r to display the calculation with the cursor located at the location of the error and make required corrections.
•Delete the colon (:) or output command (^) at the end of the program.Arg ERROR•Cause
•Improper use of an argument•Action
•Press e or r to display the location of the cause of the error and make required corrections.
Go ERROR•Cause
•A Goto n command does not have a corresponding Lbl n label.•Action
•Correctly input an Lbl n label that corresponds to the existing Goto n command, or delete the Goto n command if it is not required.
kOrder of Operations
Calculations are performed in the following order of precedence.1Coordinate transformation: Pol (x, y), Rec (r, θ) Differentials: d/dxIntegrations: ∫dx2Type A functions:With these functions, the value is entered and then the function key is pressed.
x3, x2, x1, x!, ° ’ ”m, m1, m2, n