Multiplication and division are evaluated next, from left to right.Exponents are always evaluated from right to left. The deepest nested terms in parentheses are evaluated first.Order of evaluation for grading is provided below.The answer box does not allow you to enter spaces. Do NOT use commas in any large number, such as 32000. Use commas only as separators between multiple expressions within a single answer box, such as "1999,2009".Use scientific notation, not e (which Mastering evaluates as the constant 2.718.) or E. Enter multiplication explicitly, that is, type 2*a*b, not 2ab. Enter * for the multiplication operator.When you sign in on a mobile device, you can check whether your browser supports Mastering mobile content.įollow these guidelines when entering symbolic math answers. * Answering assignment questions in Mobile View requires a student account. If cursor control on your phone is challenging: Consider using your computer or a tablet.For finer cursor control on a phone: Enlarge your view of the answer box before moving the cursor.Use your finger or other input device to position the cursor in an answer or in the other answer box.It can be easier to use arrow keys instead of a mouse or other input device to reposition your cursor.Use your keyboard arrow keys (, ,, ) to move the cursor in your answer or between Value and Units answer boxes.For keyboard shortcuts that begin with \ (backslash), choose \ from the Letters menu.It can be faster to use keyboard shortcuts instead of the Templates menu to insert special formats.Keyboard shortcuts for special formats (like subscript) To switch between lowercase and uppercase keys: Choose the arrow button from the Letters menu.Choose either the Letters menu or the Numeric menu for alphanumeric characters and some math symbols.For more details, see next section "Enter Symbolic math answers".Use your physical keyboard to enter letters, numbers, and other characters.To undo, redo, and reset the answer box to its original state: Use toolbar buttons on the right.Choose buttons from the Letters, Numeric, Templates, and Symbols menus to compose your answer.To begin, tap in an answer box for the toolbar to appear below.To view or print keyboard shortcuts or Help topic: Click buttons on the right.To undo, redo, and reset the answer box to its original state: Use toolbar buttons.Mastering Engineering only: Choose Slope/Displacement menu and Vector button, as needed.Use the Symbols menu for Greek letter, hbar, and EMF symbols.Use the Templates menu for math formats like exponent and fraction.Toolbar for these questions on a mobile device:.Toolbar for these questions on a computer:.These instructions apply to entering symbolic math answers.