Formula basics

Write formulas that update by themselves, copy them without breaking, and pull numbers from other sheets.

10 lessons · about 1 h 25 min · 1 free · Beginner to Confident

Lessons

In the order the Roadmap teaches them. The free one needs no sign-up.

In the full course. Beginner · 7 min

Your first formula

Write a formula that calculates from other cells and updates by itself when they change.

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In the full course. Beginner · 9 min

Order of operations

Know the order a formula does its math in, and use parentheses to get the answer you mean.

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Free · Beginner · 7 min

Why your formula broke when you copied it

Lock a cell with $ so a formula keeps working when you copy it down.

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In the full course. Beginner · 7 min

Quick totals with AutoSum

Total a column in two clicks with AutoSum, and check the range it picks before you accept it.

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In the full course. Beginner · 10 min

Copy formulas down and across

Write a formula once and copy it down a column or across a row, with the fill handle, a double-click or a shortcut.

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In the full course. Beginner · 8 min

Reference another sheet

Pull a number from another sheet into a summary with a formula like =Downtown!E6, so the summary stays up to date.

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In the full course. Beginner · 10 min

Percent change and percent of total

Work out how much each line grew since last year, and what share of the total it makes up.

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In the full course. Beginner · 8 min

Show formulas instead of results

Switch the sheet to show every formula, so you can spot a total someone typed in by hand and replace it with a formula.

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In the full course. Confident · 10 min

Mixed references for tables of calculations

Fill a whole grid of calculations from one formula by locking only the column ($A4) or only the row (B$2).

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In the full course. Confident · 10 min

Named ranges for readable formulas

Name a cell or a group of cells and use the name in formulas, so they read =C2*TaxRate instead of =C2*$G$1.

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A path is a short list of lessons from the course, picked for one goal.

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