Scientific Calculator

Expression calculator with trig, logs, powers and DEG/RAD modes.

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Annuity and differentiated monthly installments, interest breakdown, and amortization schedule.

Calculate PITI (Principal, Interest, Taxes, Insurance), PMI, and accelerated payoff savings.

Visualize compound growth with recurring deposits, annual rate, and investment horizons.

Add or extract Value Added Tax (VAT) with international country presets.

Analyze profitability and percentage return on business capital and investments.

Gross to net salary with income tax, social contributions and deductions, monthly and annual.

Expression calculator with trigonometry, logs, powers and roots, DEG/RAD modes, live preview, history and full keyboard support.

DEG or RAD?

Trig functions default to degrees; switch to RAD for calculus-style radians.

Why do I get an Error?

Division by zero, log of non-positive numbers or mismatched parentheses — check the expression.

Is the keyboard supported?

Yes — digits, operators, Enter (=), Backspace and Escape all work.