Enter an algebraic expression like 2X + 5Y , press CALC , and the calculator will prompt you for X and Y values. This is perfect for verifying multiple coordinates on a line.
Solves simultaneous equations and quadratics instantly.
Don't re-type! Use the directional pad to go back into a long equation and change a single number.
Use the alpha-key colon to perform multiple calculations in one line (e.g., 1+1 : 2+2 ). 3. Programming: The Competitive Edge
Use the "L-shaped" arrow to display a result and pause the program. 4. Solving Equations (EQN Mode) Skip the manual factoring. In Mode 5, you can solve: 2-Unknown Linear Equations: (e.g., 3-Unknown Linear Equations: (e.g., Quadratic Equations: ( Cubic Equations: (