This is an updated video of the most common issues I' ve seen when sending file to your calculator. Index: ( Ctrl+ F is your friend) * 0: 17. When working on the TI- 83 Plus graphing calculator, you are likely to. in Part III) you get this message when you don' t use the correct sign for cash flow. This is another catchall error message. It usually means you have a typo. Ti- 84 Plus Graphing Calculator For Dummies, 2nd Edition. to denote a negative number, the calculator responds with the ERROR: SYNTAX error message. If your screen is too light or too dark to read the calculations, you can fix it easily. There is a piexe of paper in the package of the calculator that shows you how to do all of the errors. Quickly fix a syntax error on a graphing calculator. Graphing Calculator - Fix Syntax Error. Unsubscribe from.