Harold's Cheat Sheets

Albert Einstein said, "If you can't explain it simply, you don't understand it well enough." I strongly believe that simple is better than complex. Simple is harder to achieve. I go out of my way to simplify subjects.

These are my notes created after giving the same lesson 4-5 times in one week. I am lazy and would rather provide a cheat sheet to my students than to write it all down once more. I include PDF documents so students can freely access them on their mobile devices. I include Microsoft Word documents so teachers can easily modify them to suit their needs.

Basic Math    
Harold's Times Tables Docx My 25 x 25 multiplication table with practice sheet and tips
Harold's Parent Functions Cheat Sheet Docx My parent functions and their inverses for algebra, trig and the conics
Harold's Finances Cheat Sheet Docx My basic financial equations for compounded interest and computing loan payments
Harold's Linear Optimization Cheat Sheet Docx

How to optimize a system of equations using the Simplex Method in Standard Form

Harold's Geometry Cheat Sheet Docx Parallel Lines with Traversals
Harold's Trigonometry Cheat Sheet Docx My trig supplement to Paul's Online Notes
Harold's Trig Proofs Cheat Sheet Docx My proofs of three (3) trig formulas that allow us to easily derive ALL the trig formulas
Harold's Precalculus Cheat Sheet Docx My rectangular, polar, and parametric coordinate equations for conics sections
Harold's Exponential Growth and Decay Cheat Sheet Docx My natural growth and decay formulas used in finance, radioactive decay half-lifes, and biology growth
Harold's Illegals and Graphing Rationals Cheat Sheet Docx My list of common illegal math operations and tips on graphing P(x)/Q(x)
Harold's Series Cheat Sheet Docx My arithmentic and geometric series, permutations, and combinations formulas
Harold's TI-84 Grid for Parametric Art Docx My template for creating parametric art on a TI-84 calculator
Harold's Fundamental Theorem of Calculus Cheat Sheet Docx My attempt to make the Fundamental Theorems of Calculus easy to understand
Harold's Calculus Notes Cheat Sheet Docx My list of all of the main formulas and techniques for AP Calculus BC
Harold's Calculus BC Cheat Sheet Docx My rectangular, polar, and parametric coordinate equations for conics and the calculus
Harold's Business Calculus Cheat Sheet Docx Minimum equations you must memorize for business calculus
Harold's Partial Fractions Cheat Sheet Docx My partial fractions expansion tips and integration example
Harold's Series Convergence Tests Cheat Sheet Docx My sequences and series convergence and divergence tests on 1 page
Harold's Taylor Series Cheat Sheet Docx My Maclaurin and Taylor Series with many examples
Harold's Calculus 3 Cheat Sheet Docx My rectangular, cylindrical, spherical, parametric, vector and matrix equations for conics and 3D calculus
Harold's Center of Mass Cheat Sheet Docx My Center of Mass in 1-D, 2-D, and 3-D for both Discrete and Continuous
Harold's Word Problems Cheat Sheet Docx My modified GUESS method for solving physics and word problems
Harold's Physics Cheat Sheet Docx My physics equations organized to show similarities
Harold's Physics of Projectiles Cheat Sheet Docx My classic kinematic solution of a cannon ball's trajectory
Harold's Physics Kinematic Graphs Cheat Sheet Docx My using graphs to determine position, velocity and acceleration
Harold's Physics of Forces Cheat Sheet Docx My forces on an inclined plane solution
Harold's Physics of Forces with Pully Cheat Sheet Docx My forces on an inclined plane with a pully and a second weight solution
Harold's Electromagentic Spectrum Cheat Sheet Docx My electromagnetic spectrum with light and radio waves
Harold's Physics Optics Cheat Sheet Docx My physics diagrams for concave lenses, convex lenses, and convex mirrors
Harold's Physics Doppler Effect Cheat Sheet Docx My doppler effect of both sound and light
Harold's Center of Mass Cheat Sheet Docx My Center of Mass in 1-D, 2-D, and 3-D for both Discrete and Continuous
Harold's Statistics Cheat Sheet Docx My AP Stats formulas with mean, variance, and statistical inference
Harold's Statistics PDFs Cheat Sheet Docx My discrete and continuous Probability Distribution Functions (PDFs)
Harold's Statistics Hypothesis Testing Cheat Sheet Docx My Hypothesis Testing made simple
Harold's Probability Cheat Sheet Docx My compilation of common probability formulas
Discrete Math    
Harold's Boolean Algebra Cheat Sheet Docx Boolean algebra, logic gates, truth tables
Harold's Flip-Flop Cheat Sheet Docx S-R, D, J-K, and T Flip-Flops
Advanced Math / Proofs    
Harold's Logic and Sets Cheat Sheet Docx The 7 basic logical symbols, laws, rules, set notation, logic statements, and mapping between them (SNHU MAT 299)
Harold's Proofs Cheat Sheet Docx Techniques to solve mathematical proofs (SNHU MAT 299)
Harold's Real Analysis Cheat Sheet - DRAFT Docx Real numbers and real analysis (SNHU MAT 470)


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Last updated 25 November 2021