1. Step 1: Select the lowercase number to be converted in the cell and right-click.

2. Step 2: Find the format cell in the pop-up drop-down box and click OK.

3. Step 3: In the cell format interface, we first click the number in the upper left corner.

4. Then we can find special options in the classification.

5. Select China capital figures from the options on the right, and then click OK below.

6. Step 4: Back to the home page, we can see that the lowercase numbers we chose before have become uppercase numbers.

Numbers were gradually created by ancient Indians in production and practice. In ancient India, urban construction needed design and planning, and sacrifices needed to calculate the movements of the sun, the moon and the stars, so mathematical calculation came into being.

Introduction:

There are several kinds of numbers, and Arabic numerals are the most common one. Arabic numerals were not invented by Arabs, but by Indians. In fact, it should be listed as Hindi, but it spread to Arabia first and then to the world, so it is called "Arabic numerals". Numbers are written symbols used to represent numbers. Different counting systems can use the same number.

Around 500 AD, with the rise and development of economy, culture and Buddhism, Punjab in the northwest of Indian subcontinent has been in a leading position in mathematics, which originated in India. Astronomer Ayepihite made a new breakthrough in simplifying numbers: he recorded the numbers with a grid. If there is a symbol in the first grid, such as a point representing 1, then the same point in the second grid represents ten, and the point in the third grid represents one hundred.