1. Use it when it’s really necessary a. In other words, it is sometimes easier to solve an inequality/ equation with pencil & paper. 2. A bsolute Value button [MATH] [NUM] [1:abs(] 3. L ogarithm base [ALPHA] [Y=] [FUNC] [5:LOGBASE] Euler’s number/ natural logarithm : e = 2.7182818284590… ● treat it like a regular number 4. S equences [MODE] [SEQUENCE] (4th row) [
ENTER] press [Y=]
EXAMPLE: 2n-1
You will need to specify nMIN (where you start counting the sequence: most likely 1) ; u(n): the pattern of the sequence; u(nMIN): the first number in the sequence
Time Saving Calculator Tips
5. Permutations & Combinations [MATH], find [PRB] then select [2] or [nPr]