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2026-03-21|
calculusmultivariable-calculuspartial-derivativesdouble-integralsgradient

27. Introduction to Multivariable Calculus: The 3D World

The finale of our Calculus series. Learn how Partial Derivatives and Double Integrals extend calculus into 3D space, paving the way for Machine Learning.

2026-03-20|
calculustaylor-seriesmaclaurin-seriespower-seriesapproximation

26. Taylor Series Explained: The DNA of Functions

How do calculators compute sine and e^x? Learn how Taylor Series turn complex functions into infinite polynomials. Master the Maclaurin Series for sin(x), cos(x), and e^x.

2026-03-19|
calculusimproper-integralsconvergencedivergenceinfinity

25. Improper Integrals: Convergence & Divergence Explained

How to solve integrals with infinite bounds or discontinuities. Master the technique of replacing infinity with a limit and understand the 'Gabriel's Horn' paradox.

2026-03-19|
calculusimproper-integralsconvergencedivergenceinfinity

25. Improper Integrals: Convergence & Divergence Explained

How to solve integrals with infinite bounds or discontinuities. Master the technique of replacing infinity with a limit and understand the 'Gabriel's Horn' paradox.

2026-03-18|
calculusintegration-techniquesintegration-by-partsLIATE-ruleindefinite-integrals

24. Integration by Parts: The Product Rule in Reverse

Master the Integration by Parts formula (∫ u dv) to solve integrals of products like x*e^x or x*ln(x). Learn the LIATE rule for choosing u and dv.

2026-03-17|
calculusphysics-applicationswork-integralsfluid-forcehookes-law

23. Physics Applications of Integrals: Work, Springs & Fluid Force

Learn how to use definite integrals to calculate Work done by variable forces (Hooke's Law) and Fluid Force against vertical plates (Hydrostatic Pressure).

2026-03-17|
calculusphysics-applicationswork-integralsfluid-forcehookes-law

23. Physics Applications of Integrals: Work, Springs & Fluid Force

Learn how to use definite integrals to calculate Work done by variable forces (Hooke's Law) and Fluid Force against vertical plates (Hydrostatic Pressure).

2026-03-16|
calculusintegrationarea-between-curvesdefinite-integralsapplications-of-integration

22. Area Between Two Curves: Calculus Integration Explained

Master the integration technique for finding the area between two functions. Learn the 'Top minus Bottom' formula and how to handle intersecting curves.

2026-03-16|
calculusintegrationarea-between-curvesdefinite-integralsapplications-of-integration

22. Area Between Two Curves: Calculus Integration Explained

Master the integration technique for finding the area between two functions. Learn the 'Top minus Bottom' formula and how to handle intersecting curves.

2026-03-15|
calculusdifferential-equationsseparation-of-variablesexponential-growthmathematical-modeling

21. Differential Equations Explained: Growth, Decay & Modeling

Learn how to solve basic differential equations using separation of variables. Understand general vs. particular solutions and how to model population growth and Newton's Law of Cooling.

2026-03-15|
calculusdifferential-equationsseparation-of-variablesexponential-growthmathematical-modeling

21. Differential Equations Explained: Growth, Decay & Modeling

Learn how to solve basic differential equations using separation of variables. Understand general vs. particular solutions and how to model population growth and Newton's Law of Cooling.

2026-03-14|
calculusvolume-integrationdisk-methodwasher-methodsolids-of-revolution

20. Volume of Solids of Revolution: Disk & Washer Methods

Learn how to calculate the volume of 3D shapes using the Disk Method and Washer Method. Master the formulas for rotating curves around the x-axis and y-axis.

2026-03-14|
calculusvolume-integrationdisk-methodwasher-methodsolids-of-revolution

20. Volume of Solids of Revolution: Disk & Washer Methods

Learn how to calculate the volume of 3D shapes using the Disk Method and Washer Method. Master the formulas for rotating curves around the x-axis and y-axis.

2026-03-13|
calculusintegralsu-substitutionreverse-chain-ruleintegration-techniques

19. Integration by Substitution: The Reverse Chain Rule

Unwinding the mess — how to integrate complex composite functions by swapping variables and dividing out the inner derivative.

2026-03-13|
calculusintegralsu-substitutionreverse-chain-ruleintegration-techniques

19. Integration by Substitution: The Reverse Chain Rule

Unwinding the mess — how to integrate complex composite functions by swapping variables and dividing out the inner derivative.

2026-03-12|
calculusintegralsfundamental-theoremhistoryunification

18. The Fundamental Theorem of Calculus: The Bridge

The unification of math — proving that finding the area under a curve is actually just the reverse of finding its slope.

2026-03-11|
calculusintegralsriemann-sumareasummation

17. The Riemann Sum: The Area Problem

Slicing the infinite — how to calculate the area of a messy blob by cutting it into millions of tiny, simple rectangles.

2026-03-10|
calculusintegralsanti-derivativesindefinite-integrationconstant-of-integration

16. The Anti-Derivative: Thinking Backwards

Reversing the machinery — if we know the speed, can we find the position? The concept of indefinite integration and the mysterious '+ C'.

2026-03-09|
calculusderivativesphysicskinematicsacceleration

15. Motion: The Physics of Change

Position, Velocity, and Acceleration — how derivatives connect the 'where', the 'how fast', and the 'push' of the physical universe.

2026-03-08|
calculusderivativesoptimizationapplicationsmodeling

14. Optimization Problems: The Art of the Best

Maximizing profit, minimizing waste — using derivatives to find the absolute best solution in a world of constraints.

2026-03-07|
calculusderivativessecond-derivativeconcavityinflection-points

13. Concavity & Inflection: The Shape of the Curve

Smiles and Frowns — using the Second Derivative to determine how a function bends and finding the exact moment the trend reverses.

2026-03-06|
calculusderivativescritical-pointsoptimizationgraphing

12. Critical Points: The Peaks and Valleys

Fermat's Theorem — finding the hidden treasures of a function by hunting for places where the slope is zero or undefined.

2026-03-05|
calculusderivativesrelated-ratesapplicationsgeometry

11. Related Rates: The Domino Effect

If a ladder slides down a wall, how fast does the bottom move? Using the Chain Rule implicitly with respect to Time to solve dynamic geometry problems.

2026-03-04|
calculusderivativesnatural-logexponential-functionseuler-number

10. Derivatives of Exponentials & Logs: The Magic Number

Unlocking the secret of 'e' — why e^x is the only function that is its own derivative, and how to differentiate logarithms.

2026-03-03|
calculusderivativestrigonometryoscillationcyclic-functions

09. Derivatives of Trig Functions: The Eternal Cycle

Waves upon waves — understanding why the slope of a sine curve is a cosine curve, and memorizing the 'Big Six' trig derivatives.

2026-03-02|
calculusderivativesimplicit-differentiationchain-rulecircles

08. Implicit Differentiation: The Hidden Variable

Digging for Gold — how to find the slope of a curve when x and y are mixed together, and why y is treated differently than x.

2026-03-01|
calculusderivativeschain-rulecomposite-functionsformulas

07. The Chain Rule: Peeling the Onion

The most important rule in Calculus — dealing with composite functions by differentiating the outside, then the inside, layer by layer.

2026-02-28|
calculusderivativesproduct-rulequotient-ruleformulas

06. Product & Quotient Rules: The Algebra of Change

Why the derivative of a product is NOT just the product of the derivatives — mastering the 'Left d-Right' and 'Low d-High' mnemonics.

2026-02-27|
calculusderivativespower-ruleshortcutspolynomials

05. The Power Rule: The Great Shortcut

Stop using the long limit definition. Learn the pattern that allows you to differentiate any polynomial in seconds.

2026-02-26|
calculusderivativeslimitsdifference-quotientslope

04. The Definition of the Derivative: The First Pillar

From Secant to Tangent — deriving the formula that measures instantaneous change, and why h must approach zero.

2026-02-25|
calculuscontinuitylimitsintermediate-value-theoremfunctions

03. Continuity: The Unbroken Road

Connecting the dots — the rigorous definition of a smooth curve, why nature hates teleportation, and the three rules that keep the universe from falling apart.

2026-02-24|
calculuslimitscontinuityepsilon-deltalogic

02. Limits Revisited: The Microscope of Math

Beyond the Algebra review — deep diving into Left vs. Right approaches, the mystery of 0/0, and the rigorous logic of 'arbitrarily close'.

2026-02-23|
calculusintroductionderivativesintegralshistory

01. What is Calculus? The Mathematics of Motion

Algebra is a snapshot; Calculus is the movie. Understanding the study of constant change and why it is the greatest achievement of human thought.

Made with by Georgios Tsirigos —
Teaching mathematics the way I wish I had been taught.