| Harold's Cheat Sheets | ||
| Harold's Algebra Cheat Sheets | My algebra cheat sheets homepage | |
| Harold's Precalculus/Trig Cheat Sheets | My precalculus and trigonometry cheat sheets homepage | |
| Harold's Word Problems Cheat Sheet | Docx | My modified GUESS method for physics and word problems |
| Paul's Online Math Notes | ||
| Algebra Cheat Sheet - Full | ||
| Algebra Cheat Sheet - Reduced | ||
| Trig Cheat Sheet - Full | ||
| Trig Cheat Sheet - Reduced | ||
| Algebra & Trig Review | ||
| Common Math Errors | Highly recommended | |
| Paul's Online Math Textbooks | ||
| Algebra Text Book | Free Algebra textbook | |
| BarCharts QuickStudy Guide | ||
| ACT Math Test Prep | ||
| Books | ||
| The Real ACT Prep Guide | Peterson's, ACT Inc., 2nd Edition (2008) - Highly recommended | |
| 10 ACT Practice Tests | McGraw-Hill, 3rd Edition (2010) | |
| Cracking the ACT, 2011 Edition | The Princton Review, 2011 Edition (2010) | |
| Links | ||
| ACT | American College Testing (ACT) | |
| ACT Test Taking Tips - Math | ACTStudent.org - Content Covered by the ACT Mathematics Test | |
| ACT Practice Tests - Math & Science | ACTStudent.org - ACT Test Prep - Sample Tests | |
| ACT Test Prep and Practice Exams | TestPrepReview.com - ACT Test Preparation and Lots of Exams | |
| ACT Practice Test - Science | TestPrepReview.com - ACT Practice Questions - Science | |
| ACT Sample Questions | ACT.org - ACT's COMPASS System Mathematics Sample Questions | |
| ACT Practice Test - Math | ACTExamPracticeTests.com - ACT 20 Practice Questions - Math | |
| ACT Practice Tests - Math, Science, English | 4Tests.com - Free, Practice ACT Exam | |
| iPad Apps | Apple's App Store | |
| Math Ref | Best Math, Physics, and Chemistry Formulas | |
| Timer | Timed Test Aid | |
| Chronology - Timer | Timed Test Aid |
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Last updated 4 October 2025