The calculator shown here is missing a few keys (no multiplication or division keys). Nonetheless, it is still possible to perform any arithmetic calculation involving only +, -, ×, or ÷ operations. This is because the calculator has "10 to the power of" and "logarithm base 10" keys.
Try it out. Can you compute these values?
The "log" button represents the base 10 logarithmic function. The calculator displays answers to 2 decimal places.