Mind Physique Exercise Search Results

How To: Work with 45°-45°-90° right triangles in geometry

Need help solving problems involving 45°-45°-90° right triangles? You're in luck. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to wor...

How To: Multiply decimal numbers in basic arithmetic

Need help figuring out how to multiply decimals in basic math? From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to multiply any two decim...

How To: Solve ratio problems in basic mathematics

Need help figuring out how to work with ratios? Look no further than this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn...

How To: Graph the sine function in trigonometry

Learn how to use the unit circle definition of the sine function to make a graph of it. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how ...

How To: Determine whether 2 triangles are similar in geometry

Looking for instructions on how to determine whether two triangles are similar in geometry? From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn ...

How To: Find the equation of trig functions by their graphs

Need to know how to determine the equations of trigonmetric functions by inspecting their graphs? Learn how. Learn how to use trigonometric functions to calculate the sides of a right triangle. Need to know how to solve a matrix-form linear equation in algebra? From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just f...

How To: Find the sides of a right triangle with trig functions

Learn how to use trigonometric functions to calculate the sides of a right triangle. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to ...

How To: Increase a number by a percentage in basic arithmetic

Need to know how to grow a quantity by a percentage? Learn how. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to increase a number by ...

How To: Convert between mixed numbers and improper fractions

Need to convert mixed numbers to improper fractions and improper fractions to mixed numbers? Learn how. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, y...

How To: Carry numbers when adding in basic arithmetic

Need to know how to carry numbers when adding in basic mathematics? Learn how. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to carry ...

How To: Make Agedashi tofu at home

Agedashi tofu is a delicious Japanese vegetarian dish that definitely overcomes tofu's reputation in many Western minds as flavorless goo. This detailed video teaches you how to make the tofu itself and a delicious oil-based sauce to go over the top of it. After you try this dish, you'll never have another mean word to say about tofu!

How To: Solve multivariable linear equations

Looking for instructions on how to solve linear equations with multiple variables and constant terms? Look no further. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free ma...

How To: Develop black and white 120 roll film

This four-part video describes, in great detail, how to develop black-and-white 120 film. With photo labs becoming rarer by the day, knowing how to do this yourself will become increasing important if you want to continue to take and develop pictures with film. Developing 120 is a bit different than developing 35 millimeter, so if you can already do that still watching this video! Thankfully, the presenter demonstrates the process in full light. Bear in mind it will be very dark when you do t...

How To: Calculate the slope of a line in algebra

Looking for a guide on how to figure out the slope of a line in basic algebra? From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to calcul...

How To: Look up a picture in Microsoft Excel

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun and Mr. Excel, the 42nd installment in their joint series of digital spreadsheet magic tricks, you'll learn how to look up a picture in Excel. See a VBA solution and a formula Solution using the INDIRECT function and named ranges.

How To: Use the NETWORKINGDAYS.INT function in MS Excel 2010

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun and Mr. Excel, the 23rd installment in their joint series of digital spreadsheet magic tricks, you'll learn how to use the NETWORKINGDAYS.INT, RANK.AVE, PERCENTILE.EXC, CONFIDENCE.T, T.DIST, T.DIST.RT and T.DIST.2T functions in MS Excel.

How To: Use VBA code for conditional formatting in MS Excel

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun and Mr. Excel, the 22nd installment in their joint series of digital spreadsheet magic tricks, you'll learn how to use VBA code for conditional formatting as well as how to do it using the OFFSET, MOD and ROWS functions.

How To: Summarize survey data with a pivot table in MS Excel

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun and Mr. Excel, the 20th installment in their joint series of digital spreadsheet magic tricks, you'll learn how to summarize survey data with a pivot table (grouping & report filter), COUNTIFS function (4 criteria), SUMPRODUCTS formula, SUMPRODUCTS & TEXT functions and DCOUNT database function.

How To: Do reverse lookups with VBA code in Microsoft Excel

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun and Mr. Excel, the 7th installment in their joint series of digital spreadsheet magic tricks, you'll learn how to complete a reverse lookup (find value inside table and then retrieve column and row header). Mr. Excel uses Excel VBA code (macro) and ExcelIsFun uses a formula with the INDEX, IF, SMALL, MATCH, TEXT, CHAR and...

How To: Create horizontal subtotals for a data set in MS Excel

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun and Mr. Excel, the 5th installment in their joint series of digital spreadsheet magic tricks, you'll learn how to create horizontal subtotals for a data set using the IF, SUM and SUMIF functions. Also see conditional formatting for non-contiguous cell ranges using a TRUE/FALSE logical formula with the NOT symbols.

How To: Find a weighted average cost ending inventory value

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun and Mr. Excel, the 43rd installment in their joint series of digital spreadsheet magic tricks, you'll learn how to calculate weighted average cost ending inventory value from transactional records on 2 different sheets using the COUNTIF, SUMIF and SUMPRODUCT functions.

How To: Extract email extensions with filters in MS Excel

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 338th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the REPLACE and FIND functions in a new column to extract e-mail extensions, and then use Filter or Advanced Filter to Extract records according to e-mail extension.

How To: Return many items for a single lookup value in Excel

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 90th installment in their series of digital spreadsheet magic tricks, you'll learn how to write a formula that will return multiple items when there are two criteria for the data extraction. Also see an INDEX and MATCH functions formula that uses the SUMPRODUCT, COUNTIFS, IF, ROWS, INDEX, MATCH, SMALL, IF, and ROW fu...

How To: Summarize data in Excel with the consolidation feature

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 90th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the consolidation feature in Excel. Summarize data from a number of different tables quickly using consolidation.

How To: Extract records using MS Excel's advanced filter tool

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 525th installment in their series of digital spreadsheet magic tricks, you'll learn how to extract records using advanced filter and wild-card criteria. See, for example, how to extract records that start with the letters W or J.

How To: Calculate probability in an Excel pivot table

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 55th installment in their series of digital spreadsheet magic tricks, you'll learn how to calculate probabilities with a pivot table (PivotTable). Specifically, you'll learn how to find joint, marginal and conditional probabilities.

How To: Validate data & look up values in Microsoft Excel

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 5th installment in their series of digital spreadsheet magic tricks, you'll learn how to name a cell range, use data validation to add a drop-down list, and how to use the VLOOKUP function to look up values.

How To: Select numbers from a set without repeats in MS Excel

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 373rd installment in their series of digital spreadsheet magic tricks, you'll learn how to select 3 numbers from 50 with no repeats. Also see how to select 3 names from a list of 10 with no repeats.

How To: Return the address of the 1st non-blank cell in Excel

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 363rd installment in their series of digital spreadsheet magic tricks, you'll learn how to create an array formula using the ADDRESS, MIN, IF, COLUMN & ROW functions that will return the address of the first non-blank cell in your Excel spreadsheet.

How To: Return a row's first non-blank cell in Microsoft Excel

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 364th installment in their series of digital spreadsheet magic tricks, you'll learn how to create an array formula using the INDEX, MATCH & NOT functions that will return cell content from the first non-blank cell in a row.

How To: Pull an Excel cell value from the first non-blank row

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 365th installment in their series of digital spreadsheet magic tricks, you'll learn how to use an amazing non-array formula to return the cell content from the first non-blank cell in a specified row.

How To: Use Excel's VLOOKUP with dates to retrieve the season

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 353rd installment in their series of digital spreadsheet magic tricks, you'll learn how to make date calculations with Excel's VLOOKUP formula (e.g., finding approximate matches and returning a season for a date within a given range).

How To: Do date calculations in Microsoft Excel

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 12th installment in their series of digital spreadsheet magic tricks, you'll learn how to calculate the time between 2 dates like invoices past due. Learn how to calculate a loan due date or how many days you have been alive!

How To: Determine whether a given item in a list in MS Excel

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 119th installment in their series of digital spreadsheet magic tricks, you'll learn how to determine if a particular item is in a list of items using two formulas: a ISNUMBER & MATCH function formula & a COUNTIF function formula.

How To: Use partial text matching in Microsoft Excel

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 309th installment in their series of digital spreadsheet magic tricks, you'll learn how to check to see if an item in first list is second another list, even if there is text before or after the item using the LOOKUP, SEARCH and ISNUMBER functions.

How To: Calculate days with Microsoft Excel's INT function

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 300th installment in their series of digital spreadsheet magic tricks, you'll learn how to use date and time functions together. Specifically, you'll see how to use the INT function to calculate total days worked and the TEXT function to calculate total hours worked.

How To: Return every tenth value in an Excel spreadsheet

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 278th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the INDEX and ROWS functions to write a formula that will return each 10th value and place them all in a column.

How To: Create a series AA, AB ... ZZ in Microsoft Excel

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 279th installment in their series of digital spreadsheet magic tricks, you'll learn how use the ADDRESS, LEFT, ROW, ROWS, and COLUMN functions to create the series AA, AB, ZZ with a formula.