Solved

Sum of series VI
What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?

3 months ago

Solved

Sum of series V
What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?

3 months ago

Solved

Sum of series IV
What is the sum of the following sequence: Σ(-1)^(k+1) (2k-1)^2 for k=1...n for different n?

3 months ago

Solved

Sum of series III
What is the sum of the following sequence: Σ(2k-1)^3 for k=1...n for different n?

3 months ago

Solved

Ohm’s Law - Calculate Resistance
Ohm’s Law states that resistance R can be calculated as:R=V/I where: V is the voltage (in volts) I is the current (in ampere...

3 months ago

Solved

Simple Electrical Power Calculation
Calculate the electrical power using the formula: P=V×I where: V is the voltage (in volts) I is the current (in amperes)

3 months ago

Solved

Function Iterator
Given a handle fh to a function which takes a scalar input and returns a scalar output and an integer n >= 1, return a handle f...

3 months ago

Solved

Basic Physics X
Calculate the Kinetic Energy (KE) by Weight (w), Distanec (d), and Time (t) without Mass (m) or Speed (v).

3 months ago

Solved

Basic Physics IX
Calculate the Kinetic Energy (KE) by Weight (w) instead of Mass (m).

3 months ago

Solved

Basic Physics VIII
Calculate the Mechanical Energy (ME) when the point is B.

3 months ago

Solved

Basic Physics VII
Calculate the speed.

3 months ago

Solved

Basic Physics VI
Fing the Kinetic Energy (KE) by Distance (d) and Time (t) instead of Speed (v).

3 months ago

Solved

Basic Physics V
Calculate the Weight (w).

3 months ago

Solved

Basic Physics IV
Calculate the Work.

3 months ago

Solved

Basic Physics III
Calculate the Potential Energy (PE).

3 months ago

Solved

Basic Physics II
Get the Kinetic Energy (KE).

3 months ago

Solved

Basic Physics I
Calculate the energy by the famous formula of Albert Einstein.

3 months ago

Solved

There are 10 types of people in the world
Those who know binary, and those who don't. The number 2015 is a palindrome in binary (11111011111 to be exact) Given a year...

9 months ago

Solved

Sum of series II
What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?

12 months ago

Solved

Sum of series I
What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?

12 months ago

Solved

Sum of series VII
What is the sum of the following sequence: Σ(km^k)/(k+m)! for k=1...n for different n and m?

12 months ago

Solved

Breaking up a chocolate bar
You've got a chocolate bar of size , and you want to break it up into bite-sized () pieces. How many steps are required to do th...

1 year ago

Solved

My wife's logic
Its is always the opposite of the causality law, that is to say the opposite of the implication relationship in math/logic terms...

1 year ago

Solved

Volume Pillar
Calculate the volume of a pillar with radius l and heigth ar.

1 year ago

Solved

Convert radians to degrees
Given input in radians, output to degrees

1 year ago

Solved

Perimeter of a semicircle
Given the diameter d, find the perimeter of a semicircle

1 year ago

Solved

Given a square and a circle, please decide whether the square covers more area.
You know the side of a square and the diameter of a circle, please decide whether the square covers more area.

1 year ago

Solved

Approximation of Pi
Pi (divided by 4) can be approximated by the following infinite series: pi/4 = 1 - 1/3 + 1/5 - 1/7 + ... For a given number of...

1 year ago

Solved

Pi Digit Probability
Assume that the next digit of pi constant is determined by the historical digit distribution. What is the probability of next di...

1 year ago

Solved

Pi Estimate 1
Estimate Pi as described in the following link: <http://www.people.virginia.edu/~teh1m/cody/Pi_estimation1.pdf>

1 year ago