Answer:
formula bar shows the contents of the current cell and allows you to create and view the formulas
I think it's right.
<span>Text, numbers, graphics, or sound represented by discrete digits, such as 1s and 0s.</span>
<span>or by following directions on screen </span>
number = float(input("Enter a number: "))
if number >= 0:
print(number**0.5)
I hope this helps!
Answer:
Eric A. Johnson
The first touchscreen was invented in 1965 by Eric A. Johnson who worked at the Royal Radar Establishment in Malvern, England. His first article, "Touch display—a novel input/output device for computers" describes his work and features a diagram of the design. 1982.