Question 1

How to use the scientific calculator?

Accepted Answer

Type numbers and operations using buttons or keyboard. Use parentheses for grouping. Toggle between degrees and radians for trig functions.

Question 2

What is the difference between log and ln?

Accepted Answer

log is the base-10 logarithm (common log), while ln is the natural logarithm with base e (2.71828). ln(x) = log(x) / log(e).

Question 3

How to calculate factorial?

Accepted Answer

Click the n! button after entering a number. Factorial of n means n x (n-1) x (n-2) x ... x 1. For example, 5! = 120.

Scientific Calculator

History