Ti-30xxis degrees, minutes, and seconds

To convert degrees, minutes, and seconds to decimal degree equivalent using TI-30xiis.
For this example I'm going to use 12° 35' 28"

1.  Make sure your calculator is in degree mode.

2. Type the number for degrees, followed by the degree symbol.

3. Type the number for minutes, followed by the minutes symbol.

4. Type the number for seconds, followed by the seconds symbol.

The result: 12.59 rounded to the nearest hundredth. 

Increase And Decrease The Volume Of Audio

This tutorial will show you how to adjust the volume of a sound clip. Often times, you will find yourself with a sound clip you like, but it's too loud or too quiet. Using Audacity you can increase or decrease the volume of an audio file that already exists. The video below will show you how to achieve this in few short steps. 

Intro to Audacity

Audacity is free, open source, cross-platform software for recording and editing sound.
You can use Audacity to:

• Record live audio.
• record computer playback.
• cut, copy, splice or mix sounds together.
• convert tapes and records into digital recordings or CDs.

Round walls

In this tutorial, I will show you how to draw a round wall using sweet home 3D. 

To create Round walls: 

1. First, select the "create wall" tool.

2. Click and drag, before you click again to end the wall, press and hold down the control key on your keyboard.

3. Click again, and the half a circle will spear. 

4.  Now, repeat the same process for the second half or the round wall. 

To create the round floor:
 

5. Select the “Create room” tool. 

2. Double click inside the round walls. 

Adding the roof

In this video I will show you how to add a conical shape roof to the building with round walls.

 Download Conical Roof .obj

Sweet Home 3d Introduction and overview

Sweet Home 3D is a free interior design software application that helps you draw the plan of your house, or office. Sweet home 3d enables you to draw you house in 2d, and see the results in 3d. This can be especially useful If you are thinking of moving or redecorating. You can also change the wall and floor color.  Arrange the furniture and take the virtual tour of your new design.

Removing the background from an image

Below you will find a video, as well as step by step instruction, on how to remove the background from an image using inkscape. 

1. Outline the image using Bezier Tool (Shift+F6)

2. Using Edith Path Tool (F2) adjust the lines so they fit the image.

3. With the outline still selected, use Select Object Tool (F1) hold down shift key on your keyboard and select the background image.

4. Go to “Object”, “Clip” and “Set

5. Now you can import the new image.

6. Resize the new background image.

7. Click on “lower selection to bottom” or the end button on your keyboard