# New post in Calculus

## What is this number called?

August 14th, 2022

## Integral of $\cos\left(\frac1x\right)\, dx$

August 14th, 2022

July 31st, 2022

## Find The Critical Numbers: h(p)= (p-4)/(p^2+2)

October 4th, 2022

## Showing $\lim_{(x,y) \to (0,0)} \sin (xy) / xy = 1$

October 2nd, 2022

July 31st, 2022

## What allows change of variables?

September 21st, 2022

July 30th, 2022

## What's the integral of sec^2(x/2)tan(x/2)dx?

September 13th, 2022

July 30th, 2022

## integration of function involve infinity as limit

September 9th, 2022

July 22nd, 2022

July 30th, 2022

July 29th, 2022

August 3rd, 2020

## Question about the use of integration in physics

February 25th, 2020

August 1st, 2022

August 1st, 2022

## Can someone give an intuitive way of understanding why Gauss's law holds?

August 26th, 2020

August 1st, 2022

April 21st, 2021

## Divergence of $\frac{\hat{r}}{r^2}$

October 4th, 2020

June 22nd, 2020

## Mass-density functions: how is there mass-density at points?

September 13th, 2020

August 1st, 2022

## When the direction of a movement changes, is the object at rest at some time?

November 12th, 2020

## Electromagnetic field and continuous and differentiable vector fields

October 22nd, 2020

## Three integrals in Peskin's Textbook

August 10th, 2022

August 1st, 2022

August 1st, 2022