Solver is a Microsoft Excel add-in program you can use for what-if analysis. Use Solver to find an optimal (maximum or minimum) value for a formula in one cell — called the objective cell — subject to constraints, or limits, on the values of other formula cells on a worksheet.

Create math equations using ink or text with Math Assistant in OneNote. Problem types supported by Math Assistant. Draw graphs of math functions with Math Assistant in OneNote.

Learn how to create math equations by drawing or typing an equation, then using Math Assistant.

The Ink to Math feature in Word, PowerPoint, Excel, and OneNote for Windows allows you to convert your handwritten math equations into typed numbers and symbols. This can be useful for creating professional-looking math equations in your notes.

You can type most equations in UnicodeMath quickly by using Math AutoCorrect codes. For example, to align an equation array, you can use @ and &, as in the following: \eqarray(x+1&=2@1+2+3+y&=z@3/x&=6)<space>

How to create a histogram chart in Excel that shows frequency generated from two types of data (data to analyze and data that represents intervals to measure frequency).

To turn off math equation solving and graphing for your students during times they're working on tests or homework, follow the instructions below. Note: The ability to turn Math Assistant features on or off is only available for OneNote Class Notebook owners.

This topic shows how to use the Block Diagram and the Block Diagram With Perspective templates. Block diagrams use block and raised block shapes to help you brainstorm, plan, and communicate. Block diagrams with perspective use 3-D shapes to convey information in a dramatic manner.

Array formulas are powerful formulas that enable you to perform complex calculations that often can’t be done with standard worksheet functions. They are also referred to as "Ctrl-Shift-Enter" or "CSE" formulas, because you need to press Ctrl+Shift+Enter to enter them.

If you need to use an equation, add or write it in Word. Select Insert > Equation or press Alt + =. To use a built-in formula, select Design > Equation. To create your own, select Insert > Equation > Insert New Equation. Use your finger, stylus, or mouse to write your equation.