Scientific Calculator - Free Online Tool

Full-featured calculator with trig, log, exponents & constants — works like a TI-84. Use this free tool online — no signup required, instant results on any device.

About This Tool

The Scientific Calculator from OneTool is a free, browser-based tool that helps you full-featured calculator with trig, log, exponents & constants — works like a ti-84. All calculations are performed locally in your browser for maximum privacy and speed.

Related Math Tools

Percentage Calculator - Solve any percentage problem — increases, decreases, tips & discounts in one click
GPA Calculator - Calculate your cumulative GPA across unlimited courses — supports 4.0 & 5.0 scales
Fraction Calculator - Add, subtract, multiply & divide fractions with step-by-step simplification shown

View all 22 free tools | Read our guides | About OneTool