Math & Education Guides
Master mathematical concepts with our step-by-step guides. From understanding standard deviation to solving quadratic equations, each article breaks down the formulas into clear, manageable steps with worked examples. Whether you are a student preparing for exams or a professional brushing up on fundamentals, our guides and free calculators make learning math straightforward.
Our math content covers algebra, geometry, statistics, number theory, number systems, and applied science topics. Every guide includes at least three worked examples so you can see the concepts in action before trying them yourself.
All Math & Science Articles (25)
How to Calculate Standard Deviation: Step-by-Step
Master standard deviation calculation with a clear step-by-step method, understand population vs sample formulas, and see practical real data examples.
Understanding Percentages: Practical Applications
Master percentage calculations for discounts, tips, grades, and growth rates with clear formulas, step-by-step examples, and common conversion shortcuts.
How to Solve Quadratic Equations
Learn three methods to solve quadratic equations including the quadratic formula, factoring, and completing the square with worked examples for each approach.
The Golden Ratio in Nature, Art, and Design
Discover the golden ratio and its appearances in nature, architecture, art, and modern design with mathematical proofs and visual examples explained clearly.
How to Calculate Area and Volume of Common Shapes
Calculate area and volume for circles, rectangles, triangles, spheres, cylinders, and cones with formulas, diagrams, and practical measurement applications.
Understanding Probability and Statistics Basics
Learn probability fundamentals including independent events, conditional probability, and Bayes theorem with intuitive examples and statistical applications.
How the Pythagorean Theorem Works (With Real Examples)
Understand the Pythagorean theorem with geometric proofs, construction applications, and step-by-step examples for finding missing sides of right triangles.
Binary, Hexadecimal, and Number Systems Explained
Master binary, octal, decimal, and hexadecimal number systems with conversion methods, computing applications, and step-by-step base conversion guides.
How to Calculate GPA: A Complete Guide for Students
Calculate your GPA using weighted and unweighted methods with letter grade conversions, cumulative GPA formulas, and strategies to improve your standing.
Understanding Logarithms and Exponents
Learn how logarithms and exponents work together with properties, laws, change of base formula, and real-world applications in science, finance, and computing.
How to Calculate Slope and Distance Between Points
Calculate slope and distance between two points on a coordinate plane using rise-over-run and the distance formula with graphing examples and real uses.
Prime Numbers and Factorization Explained
Discover how prime numbers work, methods for primality testing, prime factorization techniques, and the fundamental theorem of arithmetic with examples.
Understanding Confidence Intervals and Margin of Error
Master confidence interval calculations with clear explanations of margin of error, confidence levels, and how sample size affects statistical precision.
How to Calculate Sample Size for Surveys
Calculate the right sample size for your survey using confidence level, margin of error, and population size with practical guidelines for research design.
Matrix Operations: A Practical Guide
Learn essential matrix operations including addition, multiplication, transposition, determinants, and inverse matrices with step-by-step worked examples.
Understanding Ohm's Law and Electrical Circuits
Master Ohm's Law relating voltage, current, and resistance with circuit diagrams, practical calculations, and real-world electrical engineering applications.
How Radioactive Half-Life Works
Understand radioactive half-life with the exponential decay formula, decay constant calculations, and uses in carbon dating, medicine, and nuclear science.
Molarity and Solution Concentration Explained
Learn how to calculate molarity, dilution concentrations, and solution preparation with step-by-step chemistry examples for students and lab professionals.
How to Use Scientific Notation
Master scientific notation for very large and very small numbers with conversion rules, arithmetic operations, and real-world science and engineering uses.
Understanding P-Values in Statistics
Understand what p-values really mean in hypothesis testing, how to interpret statistical significance, and common misconceptions that lead to wrong conclusions.
How to Calculate Permutations and Combinations
Learn the difference between permutations and combinations with factorial formulas, tree diagrams, and counting problems from lottery odds to team picks.
Roman Numerals: History and Conversion Guide
Learn the Roman numeral system with conversion rules, subtractive notation, historical context, and a quick reference table from I to MMMCMXCIX and beyond.
How to Calculate Weighted Grades
Calculate weighted grades and final exam scores using category weights with step-by-step examples for high school and college grading systems and scales.
Understanding the Physics of Horsepower
Understand how horsepower is measured and calculated from torque and RPM with comparisons between brake, wheel, and metric horsepower for engine types.
Z-Scores Explained: How to Standardize Data
Master z-score calculations to standardize data, compare values across distributions, and interpret position within a normal distribution with examples.
Frequently Asked Questions
Our math guides span algebra, geometry, statistics, number theory, and applied science. Topics include standard deviation, the Pythagorean theorem, probability, matrix operations, number systems, GPA calculations, and physics concepts like Ohm's law and half-life. Each guide provides step-by-step solutions you can follow.
Yes, our guides are written with students in mind. We break down complex concepts into clear, step-by-step explanations with worked examples. Whether you are in high school, college, or studying independently, our guides and free calculators help you understand and practice mathematical concepts.
Every math guide includes multiple worked examples with step-by-step solutions. We show each step of the calculation process so you can follow along and understand how to apply the formulas to your own problems.
Yes, all math and education guides on CalculatorGlobe are completely free with no signup required. We pair every guide with a free calculator so you can practice and verify your work.
Browse by topic area or use our search bar to find specific concepts. If you are working on homework, look for the guide that matches your problem type. For test preparation, our statistics and algebra guides cover the most commonly tested topics.
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Last updated: February 23, 2026