The image above represents magnetic field.

To compute for magnetic field, four essential parameters are needed and these parameters are **Magnetic Permeability of Vacuum (μ _{o}), Strength of Magnetic Pole (m), Relative Magnetic Permeability (μ_{R}) **and

**Seperating Distance (r).**

The formula for calculating magentic field:

B = ^{μom} / _{4πμRr²}

Where:

B = Magnetic Field

μ_{o} = Magnetic Permeability of Vacuum

m = Strength of Magnetic Pole

μ_{R} = Relative Magnetic Permeability

r = Separating Distance

Let’s solve an example;

Find the magnetic field when the magnetic permeability of vaccum is 1.2566371E-6, strength of magnetic pole is 11, relative magnetic permeability is 9 and the seperating distance is 12.

This implies that;

μ_{o} = Magnetic Permeability of Vacuum = 1.2566371E-6

m = Strength of Magnetic Pole = 11

μ_{R} = Relative Magnetic Permeability = 9

r = Separating Distance = 12

B = ^{μom} / _{4πμRr²}

B = ^{(0.0000012566371)(11)} / _{4π(9)(12)²}

B = ^{0.00001382} / _{4π(9)(144)}

B = ^{0.00001382} / _{(16286.0163)}

B = 8.487e-10

Therefore, the **magnetic field **is **8.487e-10.**

Nickzom Calculator – **The Calculator Encyclopedia** is capable of calculating the magnetic field.

To get the answer and workings of the magnetic field using the **Nickzom Calculator – The Calculator Encyclopedia. **First, you need to obtain the app.

You can get this app via any of these means:

**Web** – https://www.nickzom.org/calculator-plus

To get access to the **professional **version via web, you need to **register** and **subscribe **for** NGN 2,000 **per** annum** to have utter access to all functionalities.

You can also try the **demo **version via https://www.nickzom.org/calculator

**Android (Paid)** – https://play.google.com/store/apps/details?id=org.nickzom.nickzomcalculator

**Android (Free)** – https://play.google.com/store/apps/details?id=com.nickzom.nickzomcalculator

**Apple (Paid)** – https://itunes.apple.com/us/app/nickzom-calculator/id1331162702?mt=8

Once, you have obtained the calculator encyclopedia app, proceed to the **Calculator Map, **then click on **Geology**** **under **Add-on****.**

Now, Click on **Magnetic Field **under **Geology**

Now, Click on **Magnetic Field **under **Magnetic Field**

The screenshot below displays the page or activity to enter your values, to get the answer for the magnetic field according to the respective parameters which are the **Magnetic Permeability of Vacuum (μ _{o}), Strength of Magnetic Pole (m), Relative Magnetic Permeability (μ_{R}) **and

**Seperating Distance (r).**

Now, enter the values appropriately and accordingly for the parameters as required by the **Magnetic Permeability of Vacuum (μ _{o})** is

**1.2566371E-6**,

**Strength of Magnetic Pole (m)**is

**11**,

**Relative Magnetic Permeability (μ**is

_{R})**9**and

**Seperating Distance (r)**is

**12**.

Finally, Click on Calculate

As you can see from the screenshot above, **Nickzom Calculator**– The Calculator Encyclopedia solves for the magnetic field and presents the formula, workings and steps too.