PURPOSE: To project a large image of an electronic calculator.
DESCRIPTION: A TV camera is focused onto a calculator and the image is displayed on a monitor. In the lecture halls the large-screen TV projector may be used.
REFERENCES: (PIRA unavailable.)
EQUIPMENT: Calculator with velcro, TV camera with 20cm close-up lens, mounted as photographed on top of TV monitor on rolling cart.
SETUP TIME: 5 min.
Go back to Lecture-Demonstration Home Page