Scientific Calculator – Fast & Accurate Online Tool
Scientific Calculator
Advanced Math • Trigonometry • Algebra
Scientific Calculator Guide
Unlike standard calculators that perform basic arithmetic, this scientific calculator handles advanced mathematical operations used in engineering, physics, and higher-level mathematics.
Did You Know?
- The first handheld scientific calculator, the HP-35 (1972), cost $395—over $2,500 in today's money.
- Scientific calculators follow Order of Operations (PEMDAS). Typing
2 + 3 × 4correctly gives 14, not 20. - The constant e (2.718...) is essential for calculating compound interest and population growth.
Function Key Reference
| Key | Name | Application |
|---|---|---|
| sin/cos/tan | Trigonometric Functions | Geometry, architecture, wave physics. |
| ln / log | Natural/Common Logarithm | Sound intensity (dB), pH levels, Richter scale. |
| x² / √ | Powers & Roots | Area calculation, quadratic equations. |
| ^ (x^y) | Exponentiation | Scientific notation, bacterial growth modeling. |