Calculator Tools
Fast, privacy-friendly calculators that run directly in your browser.
Math & science
Graphing Calculator
Plot functions, equations, inequalities, tables, parameters, and regression models.
Geometry Calculator
Construct and explore points, lines, circles, polygons, measurements, and transformations.
Matrix Calculator
Compute matrix operations, exact fractions, RREF, inverses, determinants, rank, and linear systems.
TDEE Calculator
Estimate BMR, maintenance calories, activity expenditure, goal ranges, and optional macros.
India finance
SWP Calculator
Estimate systematic withdrawals, final corpus value, schedules, depletion, and growth for Indian mutual-fund planning.
GST Calculator
Add or remove Indian GST and view a clear CGST, SGST, or IGST breakdown in INR.
FD Calculator
Estimate fixed-deposit interest and maturity value with simple or compound interest and Indian formatting.
EMI Calculator
Estimate loan EMI, total interest, repayment cost, and monthly or yearly amortization for Indian loans.
SIP Calculator
Project Indian SIP growth with recurring contributions, step-up investing, optional lump sum, and INR charts.
SSY Calculator
Estimate Sukanya Samriddhi contributions, interest, maturity year, and corpus using versioned scheme assumptions.
NSC Calculator
Estimate National Savings Certificate principal, annual interest, five-year maturity value, and accumulation.