Tools
A collection of powerful mathematical tools designed to help with calculations and visualizations.
Scientific Calculator
Advanced calculator with scientific functions and memory operations
Features
- Basic arithmetic operations
- Scientific functions (sin, cos, tan, log)
- Memory operations (M+, M-, MR, MC)
- Constants (π, e) and power functions
- Operation history tracking
How to Use
Basic Operations: Enter numbers and use operators for calculations
Scientific Functions: Click sin, cos, tan, etc. for advanced calculations
Memory Functions:
- • M+ : Add current number to memory
- • M- : Subtract current number from memory
- • MR : Recall number from memory
- • MC : Clear memory
Graphing Calculator
Interactive function plotter with support for multiple functions
Graphing Calculator
Features
- Plot multiple functions simultaneously
- Support for various function types:
- Linear functions (e.g., y = mx + b)
- Quadratic functions (e.g., y = ax² + bx + c)
- Trigonometric functions (sin, cos, tan)
- Exponential and logarithmic functions
- Customizable view window
- Function visibility toggling
How to Use
Adding Functions
Click "Add Function" and enter expressions using:
- Basic operators: +, -, *, /, ^ (for exponents)
- Functions: sin(x), cos(x), tan(x), log(x)
- Constants: π (pi), e
Example Functions
- x + 2
- x^2 - 4
- sin(x)
- 2*sin(x) + 1
Matrix Calculator
Perform matrix operations including addition, multiplication, and inversion
Matrix Calculator
Features
- Matrix addition and subtraction
- Matrix multiplication
- Scalar multiplication
- Matrix inversion
- Support for matrices up to 5x5
- Real-time error checking
How to Use
Matrix Operations
- Select the desired operation (Add, Multiply, Scalar, Invert)
- Set matrix dimensions using the row/column inputs
- Enter values in the matrix cells
- Click Calculate to perform the operation
Requirements
- For addition: Matrices must have same dimensions
- For multiplication: Number of columns in first matrix must equal rows in second
- For inversion: Matrix must be square and non-singular
Equation Solver
Solve linear and nonlinear equations with step-by-step solutions
Equation Solver
Features
- Linear equations (ax + b = c)
- Quadratic equations (ax² + bx + c = 0)
- Systems of linear equations
- Real-time error checking
- Step-by-step solutions
- Support for multiple equation formats
How to Use
Equation Types
- Linear: ax + b = c
- Quadratic: ax² + bx + c = 0
- System of Linear: ax + by = c
Example Inputs
- 2x + 3 = 7
- x² + 2x + 1 = 0
- 2x + y = 5, x - y = 1
Time Card Calculator
Calculate work hours and wages from clock-in/out times
Time Card Calculator
Features
- Multiple time entries per day
- Support for overnight shifts
- Daily hours breakdown
- Automatic wage calculation
- 24-hour time format
- Real-time validation
How to Use
Time Entry
- Enter hourly wage rate
- Select date for each entry
- Enter clock-in time (HH:MM)
- Enter clock-out time (HH:MM)
Example
- Clock In: 09:00
- Clock Out: 17:30
- Overnight: 22:00 to 06:00
Savings Goal Calculator
Plan your savings with compound interest and flexible schedules
Savings Goal Calculator
Features
- Calculate required periodic savings
- Support for multiple saving frequencies:
- Monthly savings
- Weekly savings
- Bi-weekly savings
- Compound interest calculations
- Initial amount consideration
- Flexible time frame options
- Real-time error validation
How to Use
Required Inputs
- Total savings goal amount
- Initial amount (if any)
- Saving frequency (monthly/weekly/bi-weekly)
- Time frame in years
- Annual interest rate (optional)
Example
- Goal: $10,000
- Initial: $1,000
- Frequency: Monthly
- Time: 2 years
- Interest: 3% APR
Credit Card Payoff Calculator
Plan your credit card debt payoff strategy with detailed calculations
Features
- Two calculation modes:
- Fixed Monthly Payment
- Fixed Time Frame
- Accurate interest calculations with APR
- Total interest cost projection
- Payment sufficiency validation
- Amortization-based calculations
How to Use
Fixed Monthly Payment Mode
- Enter your current balance
- Input the APR from your credit card
- Specify your planned monthly payment
- See how long it will take to pay off
Fixed Time Frame Mode
- Enter your current balance
- Input the APR from your credit card
- Specify desired months to pay off
- Calculate required monthly payment
Polynomial Calculator
Perform operations on polynomial expressions with step-by-step solutions
Polynomial Calculator
Features
- Addition and subtraction of polynomials
- Polynomial multiplication
- Support for various polynomial formats
- Real-time error validation
- Clear and readable output format
- Coming soon: Division and factoring
How to Use
Input Format
- Use standard polynomial notation
- Example: 2x^2 + 3x - 1
- Terms can be in any order
- Spaces are optional
Example Operations
- Add: (2x^2 + 3x - 1) + (x^2 - 4x + 5)
- Subtract: (2x^2 + 3x - 1) - (x^2 - 4x + 5)
- Multiply: (x + 2)(x - 3)