Join experts in discussion of calculus topics. This may include topics on Elementary functions, Calculating limits, derivatives and integrals. Optimization problems and Homework help is available.
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Graduate Existence of a limit implies that a function can be harmonic extended
- MathLearner123
- · Replies 1 ·
Graduate Branch of logarithm on the punctured disk
- MathLearner123
- · Replies 2 ·
Undergrad Determining Whether Solution is Vector vs Scalar?
- Ascendant0
- · Replies 6 ·
Undergrad Equivalence of alternative definitions of conservative vector fields and line integrals in different metric spaces
- Falgun
- · Replies 3 ·
High School Graphing trip efficiency - distance over time
- DaveC426913
- · Replies 14 ·
Undergrad How to manipulate functions that are not explicitly given?
- Rick16
- · Replies 16 ·
Graduate How to take the spatial derivative of quaternions
- FQVBSina_Jesse
- · Replies 8 ·
Undergrad Derivative of the area is the circumference -- generalization
- 1MileCrash
- · Replies 4 ·
Undergrad Question on an infinite summation series
- phymath7
- · Replies 5 ·
Undergrad Antipodal points and temperature and other angles
- srfriggen
- · Replies 3 ·
High School Why instantaneous velocity formula doesn't give infinity
- adjurovich
- · Replies 10 ·
Graduate How do I apply the method of steepest descents to this integral?
- a1234
- · Replies 1 ·
Undergrad How to find a point that corresponds to hyperreal number?
- Mike_bb
- · Replies 10 ·
Undergrad Landscape Fabric Roll
- erobz
- · Replies 8 ·
Undergrad What does dv/dt mean, how is it used, and when?
- badr
- · Replies 9 ·
Undergrad ##L^2## square integrable function Hilbert space
- cianfa72
- · Replies 11 ·
Undergrad Uniform convergence of f∘Γ to ζ in conformal mapping proof
- MathLearner123
- · Replies 1 ·
Undergrad Monad in non-standard analysis
- nomadreid
- · Replies 8 ·
Undergrad Did Math DF's integral calculator make a glaring mistake?
- SmartyPants
- · Replies 8 ·
Undergrad Question on Lambert W function
- neilparker62
- · Replies 27 ·
Undergrad Taking the derivative of a function
- mathgenie
- · Replies 15 ·
High School Change of variables in circle area proof using x = r cos(θ)
- Chenkel
- · Replies 29 ·
High School Left and right derivatives in the fundamental theorem of calculus
- Chenkel
- · Replies 2 ·
Undergrad Is g(x) Equal to g(a) If Their Integrals Are Equivalent?
- Steve Zissou
- · Replies 20 ·
Undergrad Differentiability of a Multivariable function
- lys04
- · Replies 1 ·
High School Why does integrating x³ give L⁴ when area should be L²?
- Chenkel
- · Replies 2 ·
High School Can we use the tangental point to find gradients?
- lioric
- · Replies 11 ·
Graduate Can you cancel a function from both sides of an integral equation?
- CECE2
- · Replies 4 ·
High School Change of variables limits for integral with x = r cos θ
- Chenkel
- · Replies 2 ·
Undergrad Can a function inside the integral be erased?
- CECE2
- · Replies 8 ·
High School Having trouble deriving the volume of an elliptical ring toroid
- SmartyPants
- · Replies 4 ·
High School Why does integrating πr² give the wrong sphere volume formula?
- Chenkel
- · Replies 16 ·
Undergrad Determination of error in interpolating polynomial
- MAXIM LI
- · Replies 5 ·
Undergrad Definite integral is undefined and not undefined
- dyn
- · Replies 8 ·
High School Calculating shaded area: I'm getting discrepancies between methods
- SmartyPants
- · Replies 3 ·
Undergrad What's my mistake in this integration problem?
- murshid_islam
- · Replies 8 ·
Undergrad How do I format equations correctly? (Curl, etc.)
- Brix12
- · Replies 3 ·
Graduate Is the functional derivative a function or a functional
- Sonderval
- · Replies 4 ·
Undergrad Why Does an Integrand Equaling Zero at x=1 Not Determine the Integral's Value?
- Hornbein
- · Replies 2 ·
Undergrad Double integral over a rectangular region
- Martyn Arthur
- · Replies 10 ·
Undergrad Integration with different infinitesimal intervals
- JohnnyGui
- · Replies 31 ·
High School How Do You Derive the Formula for sin(x-y)?
- farfromdaijoubu
- · Replies 5 ·
Undergrad Continuity of Mean Value Theorem
- jostpuur
- · Replies 12 ·
Undergrad Finding position vector in general local basis
- farfromdaijoubu
- · Replies 1 ·
Undergrad Inner product vs dot/scalar product
- cianfa72
- · Replies 4 ·
Graduate Memory issues in numerical integration of oscillatory function
- cyberpotato
- · Replies 3 ·
Graduate An interesting series - what does it converge to?
- kairama15
- · Replies 5 ·
Undergrad What is the third term in the Laplacian of a cross product?
- William Crawford
- · Replies 6 ·
Undergrad Integrating a product of exponential and trigonometric functions
- Talon44
- · Replies 21 ·
High School How do I invert this exponential function?
- martix
- · Replies 3 ·
Undergrad Relation Between Beta and Gamma functions
- PLAGUE
- · Replies 1 ·
Undergrad Best way to cut a cake to avoid dryness
- adimare
- · Replies 5 ·
Undergrad How does the ratio test fail and the root test succeed here?
- psie
- · Replies 6 ·
High School Can We Simplify the Taylor Series Expansion for e^(f(x,y))?
- thatboi
- · Replies 3 ·
Undergrad Calculating the change of the volume of a sphere using this integral
- cppIStough
- · Replies 3 ·
Graduate Definition of first order infinitesimal using equivalence class
- Mike_bb
- · Replies 3 ·
Undergrad Why prove Taylor's theorem with p(x)=q(x)−((b−a)^n/(b−x)^n)q(a)?
- PLAGUE
- · Replies 9 ·
Undergrad Can other periodic functions form an orthogonal basis besides sines and cosines?
- QuantumCuriosity42
- · Replies 139 ·
Undergrad What Are Common Misconceptions About the Dirac Delta Function?
- gionole
- · Replies 25 ·
Graduate Cauchy’s integral theorem and residue theorem, what’s the difference
- GGGGc
- · Replies 1 ·
Undergrad Dirac delta function integrated on a finite interval
- Hill
- · Replies 10 ·
Graduate Meaning of Gauss' mean value theorem?
- GGGGc
- · Replies 4 ·
Insights Series in Mathematics: From Zeno to Quantum Theory
- fresh_42
- · Replies 2 ·
High School Integration by parts for ∫sin⁻¹x dx
- mcastillo356
- · Replies 4 ·
Insights Epsilontic – Limits and Continuity
- fresh_42
- · Replies 2 ·
Undergrad On (real) entire functions and the identity theorem
- psie
- · Replies 2 ·
Graduate Integration of trigonometric functions
- Indir
- · Replies 4 ·
High School I'm trying to find a general formula for a harmonic(ish) series
- al4n
- · Replies 8 ·
Undergrad The Euler-Lagrange equation and the Beltrami identity
- Cleonis
- · Replies 1 ·
Undergrad On convolution theorem of Laplace transform: Schiff
- psie
- · Replies 4 ·
High School Understanding exponentiation and logarithms together
- mcastillo356
- · Replies 12 ·
High School Why are different forms of ∫csc(x) equivalent?
- mcastillo356
- · Replies 14 ·
High School 1 divided by infinity equals zero (always?)
- njh
- · Replies 2 ·
Graduate Is the following sum a part of any known generalized function?
- tworitdash
- · Replies 2 ·
Closed form solution to sum of sine positive zero-crossings
- Purplepixie
- · Replies 5 ·
Undergrad How is the derivative of an inexact differential defined?
- spin_100
- · Replies 4 ·
Graduate Is the Gamma Function of Negative Integers Defined?
- LagrangeEuler
- · Replies 9 ·
Graduate Summing over continuum and uncountable numerocities
- Anixx
- · Replies 1 ·
Undergrad Relation between change of pressure and temperature in adiabatic process
- T C
- · Replies 1 ·
High School Trigonometric substitution, a case I'd like to share
- mcastillo356
- · Replies 3 ·
Undergrad Hard integrals for calculus 1-2 practice
- pakmingki
- · Replies 194 ·
Undergrad Lipschitz continuity of vector-valued function
- psie
- · Replies 3 ·
High School Why use K instead of C for the constant in integration by parts
- mcastillo356
- · Replies 2 ·
Undergrad Result of this integral in large Lambda limit
- Siupa
- · Replies 12 ·
Undergrad Finding the derivative of a characteristic function
- MagentaCyan
- · Replies 5 ·
Insights Precalculus, calculus and infinitesimals
- bhobba
- · Replies 3 ·
Undergrad Questions about these Trigonometry Graphs involving sin() and cos()
- pairofstrings
- · Replies 3 ·
Insights Precalculus, Calculus and Infinitesimals
- bhobba
- · Replies 0 ·
Undergrad Taylor series of 1/ln(t+1) at t=0
- laurabon
- · Replies 10 ·
Insights What Are Numbers? - Insights for Beginners
- bhobba
- · Replies 0 ·
Undergrad Difference between d/dt and d(theta)/dt? Why is it dr or ds/dt?
- Anonymous001
- · Replies 3 ·
Undergrad Is My Calculus of Variations Approach Correct?
- erobz
- · Replies 12 ·
High School Why is this definite integral a single number?
- mcastillo356
- · Replies 20 ·
Undergrad Substitution in a definite integral
- mcastillo356
- · Replies 6 ·
Undergrad Can calculus be used to determine how much total interest I would pay?
- sevensages
- · Replies 20 ·
High School I need to check if I am right solving this integral
- mcastillo356
- · Replies 2 ·
Undergrad Tensor Product of Two Hilbert Spaces
- ARoyC
- · Replies 9 ·
Undergrad Multivariable fundamental calculus theorem in Wald
- sphyrch
- · Replies 2 ·
Undergrad Taylor expansion of f(x)=arctan(x) at infinity
- laurabon
- · Replies 2 ·
High School I don't recognize this limit of Riemann sum
- mcastillo356
- · Replies 2 ·