01
Graphing Your First Function
Plot y = x² and customize the viewing window
02
Solving Equations Step by Step
Use the Solver to find roots and intersections
03
Using 2nd Functions & ALPHA Keys
Unlock the hidden functions printed on every key
04
Calculating Sin, Cos & Tan
Trig functions, inverse trig, degree vs. radian mode
05
Working with Logarithms
log base 10, natural log ln, and change-of-base formula
06
Storing & Recalling Variables
STO→, RCL, and using A–Z variables in expressions
07
Fractions & Mixed Numbers
Enter fractions, convert decimals, simplify results
08
Scientific Notation & EE Key
Enter and interpret numbers in scientific notation
09
Statistics: Mean, Median & StdDev
Enter data lists and run 1-Var Stats
10
Finding Zeros & Intersections
Use CALC menu to find roots and crossing points on a graph
11
Using ANS & Entry Keys
Chain calculations, reuse last answer, and recall history
12
Matrices: Add, Multiply & Inverse
Enter matrices, perform row operations, find determinants
13
Graphing Piecewise Functions
Use conditional logic to graph functions with branches
14
SAT & ACT Exam Tips
Time-saving shortcuts every test-taker should know
15
Common Errors & How to Fix Them
ERR:SYNTAX, ERR:WINDOW RANGE, ERR:DIM MISMATCH and more
16
Graphing Inequalities
Shade regions above or below a curve using inequality syntax
17
Linear Regression & Best Fit Lines
Enter paired data, run LinReg, and graph the equation of best fit
18
Using the TABLE Feature
View function values at a glance without graphing — perfect for patterns
19
Calculating Derivatives & Integrals
Use nDeriv and fnInt to approximate calculus results numerically
20
Complex Numbers & Imaginary Mode
Enable a+bi mode and perform arithmetic with complex numbers