t-Formulae ~ 03 ~ Used to Evaluate Certain Integrals

t-Formulae ~ 02 ~ Used to Solve Trigonometric Equations

t-Formulae ~ 01 ~ Three Ways to Derive Them

Jim Coroneos' 100 Integrals ~ 032 ~ ∫1/(1 + cos²x).dx

Jim Coroneos' 100 Integrals ~ 031 ~ ∫sinx/(5 + 3cosx).dx

Jim Coroneos' 100 Integrals ~ 030 ~ ∫1/(3 + 5cosx).dx

Jim Coroneos' 100 Integrals ~ 029 ~ ∫1/(5 + 3cosx).dx

Jim Coroneos' 100 Integrals ~ 028 ~ ∫tan³x.dx

Jim Coroneos' 100 Integrals ~ 027 ~ ∫1/(1+x²)².dx

How to Calculate a Cube Root Using the Division Method

Jim Coroneos' 100 Integrals ~ 026 ~ ∫1/[x²(1+x²)].dx

Subtraction-fest 13 ~ Subtraction Terminology Demystified (Explained)

Subtraction-fest 12 ~ Checking Your Subtractions By Casting Out Nines

Subtraction-fest 11 ~ Checking Your Subtractions By Adding

Subtraction-fest 10 ~ Mental Subtraction By Adding Differences

Subtraction-fest 09 ~ Mental Subtraction By Elevating Both Numbers

Subtraction-fest 08 ~ Mental Subtraction By Counting

Subtraction-fest 07 ~ Never Subtract Numbers Larger Than Ten!

Subtraction-fest 06 ~ Floating Digit Variation (Using Negative Markers)

Subtraction-fest 05 ~ Floating Digit Variation (Subtracting From Powers of Ten)

Subtraction-fest 04 ~ Floating Digit Variation Left to Right

Subtraction-fest 03 ~ Floating Digit Method (Change all Subtractions to Additions!)

Subtraction-fest 02 ~ Carry Method (Easy)

Subtraction-fest 01 ~ Borrow Method (Common Today)

Jim Coroneos' 100 Integrals ~ 005 ~ ∫sinx.sec³x.dx (Three Methods)

How to Subtract (Large) Numbers Easily (Some More Methods)

Jim Coroneos' 100 Integrals ~ 025 ~ ∫1/[x²(1-x)].dx

Jim Coroneos' 100 Integrals ~ 024 ~ ∫{sec(3x)}^4.dx

Jim Coroneos' 100 Integrals ~ 023 ~ ∫1/[x(lnx)³].dx

Jim Coroneos' 100 Integrals ~ 022 ~ ∫√[(x+1)/(x-1)].dx

Jim Coroneos' 100 Integrals ~ 021 ~ ∫(cos‾¹x)/√(1-x²).dx

Jim Coroneos' 100 Integrals ~ 020 ~ ∫x/(√x+1).dx

Mathematical Surprise ~ The Mass of Air Surrounding the Eiffel Tower

Robert Recorde and His Invention of the "Equals Sign" in 1557

How to Subtract (Large) Numbers Easily

Jim Coroneos' 100 Integrals ~ 019 ~ ∫1/[x√(x²-a²)].dx

Jim Coroneos' 100 Integrals ~ 018 ~ ∫1/[x√(a²-x²)].dx

How to Differentiate a Function to the Power of a Function

Pouring Puzzles (Tartaglia's Jugs)

Magnetic Dice Trick (aka Two 'Magic' Dice)

The Amazing 1089 Trick Demonstrated and Explained

Amazing Coin Trick (Mathematical)

Mathematical Limerick ~ The Integral of z-Squared dz

Mathematical Limerick ~ A Dozen, A Gross, and a Score

A Mathematical Pun ~ Arctic Calculus

Jim Coroneos' 100 Integrals ~ 017 ~ ∫1/[x√(a²+x²)].dx

Jim Coroneos' 100 Integrals ~ 016 ~ ∫1/[x²√(1-x²)].dx

Jim Coroneos' 100 Integrals ~ 015 ~ ∫(1+x)/√(1-x-x²).dx

Jim Coroneos' 100 Integrals ~ 014 ~ ∫x³/(2x-1).dx

Jim Coroneos' 100 Integrals ~ 013 ~ ∫(2x-1)/(x²+2x+3).dx

Jim Coroneos' 100 Integrals ~ 012 ~ ∫[(x+1)(x-1)]/[(x-2)(x-3)].dx

Jim Coroneos' 100 Integrals ~ 011 ~ ∫x/[(x+4)(x+2)].dx

Jim Coroneos' 100 Integrals ~ 010 ~ ∫x³/(x² + 1).dx

Jim Coroneos' 100 Integrals ~ 009 ~ ∫tan‾¹2x.dx

Jim Coroneos' 100 Integrals ~ 008 ~ ∫x.sec²2x.dx

Jim Coroneos' 100 Integrals ~ 007 ~ ∫x.sinx.dx

Jim Coroneos' 100 Integrals ~ 006 ~ ∫cos²(x/2).dx

Jim Coroneos' 100 Integrals ~ 005 ~ ∫sinx.sec³x.dx

Amazing Way to Graph the Gradient Function (Derivative)

Jim Coroneos' 100 Integrals ~ 004 ~ ∫sinx.cos³x.dx