How to Draw Calculator

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When you’re planning to draw a calculator, you probably don’t know where to start. Fortunately, just focusing on each part will make things easier. Let’s draw the screen first. Then outline the computer’s keyboard. Finally, finish by drawing more of the case. It is done! Likewise, you can also draw a laptop (laptop).

Table of Contents

Laptop sketch

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Start by drawing a rectangle with rounded edges. This is the outer edge of the laptop screen. You need to draw the width about 2/3 of the length. Place this rectangle on the top half of the page because we will then draw the keyboard underneath. ^{[1] X Research Source}

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Draw a smaller rectangle with the same scale inside the original rectangle. This will be the laptop screen. Remember to leave a small space between the two rectangles to form a frame around the screen. ^{[2] X Research Source}

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Sketch a trapezoid located below the screen. This is a figure with 4 sides of which only 2 are parallel. The top bottom of the trapezoid is also the bottom edge of the first rectangle, so you don’t need to redraw. On the left side, draw a line extending to the left at an angle. Do the same with the right side of this edge. Finally, you join the ends of the two sides to complete the trapezoid. ^{[3] X Research Sources}

Draw a trapezoid about 2/3 the height of the first rectangle.
This will be the laptop keyboard.

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Draw a rectangle below the trapezoid. The top edge of the rectangle is also the bottom of the trapezoid, so you don’t need to redraw. Starting at one corner of the trapezoid, draw a vertical line that is about 1/8 of the height of the trapezoid. Then do the same with the right side of the trapezoid. Finally, connect the bottom points of the two vertical lines together with a horizontal line. ^{[4] X Research Sources}

This rectangle will create a 3-dimensional effect for the keyboard.

Draw desktop screen

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Draw a rectangle with rounded corners. This is the outer border of the frame that surrounds the screen. Remember to leave enough space for the case and keyboard. ^{[8] X Research Sources}

If you want the sides of the rectangle to be as straight as possible, use a ruler.

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Outline the small rectangle located in the first shape. This will be the computer screen. Note: leave only a narrow space between the two shapes, do not draw too small compared to the original rectangle. The narrow space represents the frame that surrounds the screen. ^{[9] X Research Source}

Don’t forget to round the corners of the second rectangle.

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Draw a stand for the monitor. First, you need to determine the center of the bottom edge of the screen. Then draw a narrow rectangle straight down from the bottom edge of the screen. This rectangle will be about 1/4 the height and 1/10th of the width of the screen above. ^{[10] X Research Source}

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Sketch the display stand. To draw the base for the monitor, draw a horizontal oval that overlaps about 1/3 of the bottom of the stand. This oval should be about 1/5th the width of the screen. ^{[11] X Research Source}

Another case: If you like, you can draw the base rectangular instead of oval. Just draw a horizontal rectangle that overlaps about 1/3 of the bottom of the stand.

Sketch the computer keyboard

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Draw a long horizontal trapezoid at the bottom of the screen. A trapezoid is a figure with 4 sides, of which 2 are parallel. Draw a trapezoid with the upper and lower bases parallel. Then, draw short sides on either side at a 75-degree angle. This will be the keyboard’s outer frame. ^{[13] X Research Source}

Use a ruler to draw a trapezoid if you want the edges to be straight.
Leave space between the trapezoid and the monitor stand.

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Sketch the smaller trapezoid inside the last trapezoid. This will be the frame containing the keys. This frame should be only slightly smaller than the first trapezoid, so you need to leave a narrow space between the two. ^{[14] X Research Source}

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Draw horizontal lines in a small trapezoid representing the rows of keys. Starting near the top of the trapezoid, draw a horizontal line from the left edge to the right edge. Then do the same to the bottom. ^{[15] X Research Source}

Note: avoid drawing rows that are too wide because that won’t make room for the entire key. You should align to fit 6-7 rows.

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Divide each row into small rectangles to draw the key. Starting at the top row, draw straight lines from the top edge to the bottom edge of the row. Then, do the same with the rows below but draw alternating lines like bricks. Continue until you have divided all rows into many small keys. ^{[16] X Research Source}

Draw a spacebar near the middle of the bottom row.

Tip: You can write characters and letters on each box if you like.

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Draw the mouse next to the keyboard. To draw a computer mouse, you first need to sketch an oval the same height as the keyboard. Draw a curved line across the center, then draw a straight line from the top of the oval to the midpoint of the horizontal line. Finally, scribble the wires from the top of the oval to the keyboard. ^{[17] X Research Source}

You can draw the mouse to the right or left of the keyboard depending on your preference.

Draw the chassis

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Draw a vertical and tall rectangle. This will be the front of the case. You can place the case on the right or left of the screen as you like, as long as the case is slightly higher than the screen. ^{[18] X Research Sources}

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Outline the trapezoid on the side of the rectangle. Start by drawing a vertical line parallel to the side of the rectangle but slightly shorter. The line you just drew will be the small base and the side of the rectangle will be the large base of this trapezoid. Connect the large bottom and the small bottom of the trapezoid with two side edges. Once completed, the case will take the form of a three-dimensional space. ^{[19] X Research Source}

If you are drawing the case on the right side of the screen, draw a trapezoid on the left side of the case. Do the opposite if the case is on the left side of the screen.

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Draw two horizontal rectangles inside the vertical rectangle. This will be the location for the buttons on the case. Place one horizontal rectangle near the top of the case, the other near the center. The size of each of these rectangles doesn’t have to be exact, but you’re better off drawing about 1/10th of the case’s height. ^{[20] X Research Sources}

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Add buttons to the front of the case. To draw the buttons, you sketch 1-3 evenly spaced circles the length of each horizontal rectangle. You can also draw a power button on the front of the case. Just draw a small circle on the bottom half of the front of the case, then draw another larger circle outside. ^{[21] X Research Source}

Tip: Be creative! You can try adding square, rectangular, or even triangular buttons.

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It is done.

Steps

Laptop sketch

Draw desktop screen

Sketch the computer keyboard

Draw the chassis

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