# Problems

1 – 24 of 24
 Problem Title Likes Solvers Difficulty

#### Problem 45982. Evaluate the incomplete elliptic integrals

Created by: ChrisR

1

12

#### Problem 54710. Compute the period of a pendulum started from a finite initial angle

Created by: ChrisR

0

3

#### Problem 57620. Compute frequency factors for the normal distribution

Created by: ChrisR

0

4

#### Problem 45979. Compute the perimeter of an ellipse

Created by: ChrisR

1

24

#### Problem 51322. Solve an ODE: diffusion problem 1

Created by: ChrisR

1

5

#### Problem 45988. Evaluate the zeta function for real arguments > 1

Created by: ChrisR

2

15

#### Problem 51975. Compute a sum of Ramanujan

Created by: ChrisR

2

10

#### Problem 46081. Set Soldner's constant

Created by: ChrisR

1

13

#### Problem 52125. Compute the sum of reciprocals of quadratics

Created by: ChrisR

2

10

#### Problem 51745. Solve an ODE: equation A

Created by: ChrisR

1

7

#### Problem 46117. Test approximations of the prime counting function

Created by: ChrisR

1

13

#### Problem 47874. Compute an integral of an exponential function

Created by: ChrisR

1

4

#### Problem 51815. Solve an ODE: equation C

Created by: ChrisR

1

5

#### Problem 52120. Compute the fractional derivative

Created by: ChrisR

2

6

#### Problem 51137. Compute an integral of a product of sinusoids

Created by: ChrisR

1

6

#### Problem 57452. Design a well field in an infinite aquifer

Created by: ChrisR

1

1

#### Problem 49743. Determine aquifer properties: unsteady pump test in a confined aquifer

Created by: ChrisR

1

2

#### Problem 46012. Find the zeros of the Bessel function of the first kind

Created by: ChrisR

0

4

#### Problem 46043. Evaluate the generalized hypergeometric function

Created by: ChrisR

0

5

#### Problem 46066. Evaluate the logarithmic integral

Created by: ChrisR

1

12

#### Problem 54610. Evaluate the Kelvin functions

Created by: ChrisR

1

4

#### Problem 45997. Evaluate the zeta function for complex arguments

Created by: ChrisR

1

9

#### Problem 46025. Evaluate the gamma function

Created by: ChrisR

2

14

#### Problem 51783. Solve an ODE: equation B

Created by: ChrisR

0

8

1 – 24 of 24