DS15 (10th grade) results for WIAT-IIIs subtests were
Math Problem Solving 	119 	90% 	>12.9 	Above Average 
Numerical Operations 	131 	98% 	>12.9 	Superior 
Math Fluency-Addition 	111 	77% 	>12.9 	Average 
Math Fluency-Subtraction 	100 	50% 	10.1 	Average 
Math Fluency-Multiplication 	96 	39% 	7.5 	Average 
DS is stumbling on in class math tests, for instance he is flipping (+) and (-) sign and obviously not arriving at the right answers.  Class test results are scattered and DS is frustratred.
Is there any AT device that can read a problem with exponents and parenthesis? 
Would love to hear what others have found to work.
Happy Thanksgiving and TIA....