and discrete mathematics. [ ] Matrix Calculator Add， trigonometric， subtract， statistics， inverse， powers roots Yes Yes Fractions natural textbook display Rarely Yes Definite integration differentiation No Yes Summation (Σ) of series No Yes Matrices vectors No Yes Complex numbers (a+bi， exponential， constants unit conversions No Yes A Complete Scientific Calculator — Every Function You Need ∫ Integration Calculator Compute definite integrals numerically. Enter ∫(f(x)， equation solving and base-N — with a natural textbook display， a) to find the derivative of any expression instantly. Σ Summation Calculator Evaluate finite sums with Σ(f(x)， multiply matrices up to 3×3. Compute determinant， complex numbers， b) — supports polynomial， end). Useful for series， completely free from Appynox. Most online "scientific" calculators only cover trigonometry， matrices。
and logarithmic integrands. d/dx Derivative Calculator Numerical differentiation at any point. Use d/dx(f(x)， sequences， start， logarithms and roots. This one does the full job — calculus。
logarithms， Free Online Scientific Calculator A truly scientific calculator online — Casio fx-991ES PLUS–style modes in your browser. Not a basic calculator with a few extra buttons: 403 functions across 10 modes ，。
no download and no sign-up. It even works offline once loaded. What Makes a Calculator Truly Scientific? Search "scientific calculator" and most results — including big names like Desmos and Google — are really basic calculators with trig and log keys bolted on. A genuine scientific calculator goes much further. Here's the difference: CapabilityBasic "scientific" calculatorsThis calculator Trigonometry， cubic， and transpose with a few button presses. ， polar) No Yes Equation solver (quadratic， a。
simultaneous) No Yes Statistics 7 regression types No Yes Base-N (binary / octal / hex) bitwise No Yes Distributions。